Countries › United States › Baltimore › BWI Baltimore/Washington International Thurgood Marshall (BWI) BWI / KBWI
2,126,826
Baltimore/Washington International Thurgood Marshall Airport handled 2,126,826 passengers in May 2026, down 7.2% on a year earlier, according to US Bureau of Transportation Statistics — T-100 Air Carrier Statistics .
Full count · domestic + international Flight timing & delays ↓
Passengers over time Showing 53 months. Full series runs 1990–2026 (437 periods).
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Domestic / International May 2026 Domestic 96.0% 2,042,406 International 4.0% 84,420 Against 2019 -11.8% same month, before the pandemic
International share 4% of passengers in May 2026
Series depth 36 years from 1990
The most recent periods Open any period for the full breakdown. As published Newest first Oldest first Highest first Lowest first 24 of 24
Period Passengers Year on year Source May 2026 2,126,826 −7.2% US Bureau of Transportation Statistics Open this month → April 2026 2,031,348 −5.1% US Bureau of Transportation Statistics Open this month → March 2026 1,983,000 −0.6% US Bureau of Transportation Statistics Open this month → February 2026 1,499,121 −0.9% US Bureau of Transportation Statistics Open this month → January 2026 1,511,707 −4.2% US Bureau of Transportation Statistics Open this month → December 2025 1,986,273 −5.8% US Bureau of Transportation Statistics Open this month → November 2025 1,875,266 −8.3% US Bureau of Transportation Statistics Open this month → October 2025 2,230,252 −0.2% US Bureau of Transportation Statistics Open this month → September 2025 2,035,664 −3.7% US Bureau of Transportation Statistics Open this month → August 2025 2,277,373 −6.6% US Bureau of Transportation Statistics Open this month → July 2025 2,375,306 −9.2% US Bureau of Transportation Statistics Open this month → June 2025 2,343,996 −8.5% US Bureau of Transportation Statistics Open this month → May 2025 2,291,108 −7.6% US Bureau of Transportation Statistics Open this month → April 2025 2,139,645 −4.5% US Bureau of Transportation Statistics Open this month → March 2025 1,994,464 −11.5% US Bureau of Transportation Statistics Open this month → February 2025 1,512,138 −13.2% US Bureau of Transportation Statistics Open this month → January 2025 1,577,462 −11.5% US Bureau of Transportation Statistics Open this month → December 2024 2,109,353 −1.3% US Bureau of Transportation Statistics Open this month → November 2024 2,045,356 −9.0% US Bureau of Transportation Statistics Open this month → October 2024 2,234,314 −6.9% US Bureau of Transportation Statistics Open this month → September 2024 2,113,138 −1.7% US Bureau of Transportation Statistics Open this month → August 2024 2,438,959 +1.7% US Bureau of Transportation Statistics July 2024 2,615,694 +6.6% US Bureau of Transportation Statistics June 2024 2,561,760 +9.7% US Bureau of Transportation Statistics
Also tracked here: aircraft movements (through May 2026), tonnes of cargo (through May 2026).
Flight timing & delays Historical departures, grouped by the scheduled local time at the departure airport. These are recorded outcomes, not a forecast for your flight.
US domestic sectors recorded by BTS Source: BTS · US Department of Transportation · 2024-09-01 → 2026-06-30
Lowest average delay 06:00–07:00 2.9min · 16,541 recorded · 16,307 measured
Gap to highest-delay hour 25.9min 06:00 ↔ 22:00
Recorded flights 174,015 Baltimore/Washington International Thurgood Marshall Airport
Departure hour Day of week Month of year
Departure hour On-time departures 100.0 50.0 0.0
00:00 · Fewer than 200 measured departures · 1 recorded · 1 measured · Source: BTS · US Department of Transportation 01:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 02:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 03:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 04:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 05:00 · 92.8% · 1,539 recorded · 1,509 measured · Source: BTS · US Department of Transportation 06:00 · 92.1% · 16,541 recorded · 16,307 measured · Source: BTS · US Department of Transportation 07:00 · 89.7% · 6,433 recorded · 6,362 measured · Source: BTS · US Department of Transportation 08:00 · 89.4% · 17,241 recorded · 17,040 measured · Source: BTS · US Department of Transportation 09:00 · 83.2% · 8,824 recorded · 8,729 measured · Source: BTS · US Department of Transportation 10:00 · 84.8% · 13,448 recorded · 13,277 measured · Source: BTS · US Department of Transportation 11:00 · 81.8% · 8,830 recorded · 8,733 measured · Source: BTS · US Department of Transportation 12:00 · 79.5% · 6,874 recorded · 6,808 measured · Source: BTS · US Department of Transportation 13:00 · 75.4% · 8,611 recorded · 8,514 measured · Source: BTS · US Department of Transportation 14:00 · 73.1% · 8,747 recorded · 8,677 measured · Source: BTS · US Department of Transportation 15:00 · 69.2% · 9,874 recorded · 9,750 measured · Source: BTS · US Department of Transportation 16:00 · 70.1% · 9,250 recorded · 9,131 measured · Source: BTS · US Department of Transportation 17:00 · 66.1% · 9,889 recorded · 9,741 measured · Source: BTS · US Department of Transportation 18:00 · 67.1% · 11,927 recorded · 11,737 measured · Source: BTS · US Department of Transportation 19:00 · 62.7% · 10,667 recorded · 10,477 measured · Source: BTS · US Department of Transportation 20:00 · 62.9% · 11,128 recorded · 10,890 measured · Source: BTS · US Department of Transportation 21:00 · 60.6% · 8,316 recorded · 8,190 measured · Source: BTS · US Department of Transportation 22:00 · 50.5% · 5,875 recorded · 5,680 measured · Source: BTS · US Department of Transportation 23:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
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Average departure delay 28.8 14.4 0.0
00:00 · Fewer than 200 measured departures · 1 recorded · 1 measured · Source: BTS · US Department of Transportation 01:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 02:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 03:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 04:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 05:00 · 7.3 min · 1,539 recorded · 1,509 measured · Source: BTS · US Department of Transportation 06:00 · 2.9 min · 16,541 recorded · 16,307 measured · Source: BTS · US Department of Transportation 07:00 · 3.9 min · 6,433 recorded · 6,362 measured · Source: BTS · US Department of Transportation 08:00 · 4.6 min · 17,241 recorded · 17,040 measured · Source: BTS · US Department of Transportation 09:00 · 8.2 min · 8,824 recorded · 8,729 measured · Source: BTS · US Department of Transportation 10:00 · 7.0 min · 13,448 recorded · 13,277 measured · Source: BTS · US Department of Transportation 11:00 · 9.8 min · 8,830 recorded · 8,733 measured · Source: BTS · US Department of Transportation 12:00 · 11.9 min · 6,874 recorded · 6,808 measured · Source: BTS · US Department of Transportation 13:00 · 14.2 min · 8,611 recorded · 8,514 measured · Source: BTS · US Department of Transportation 14:00 · 15.3 min · 8,747 recorded · 8,677 measured · Source: BTS · US Department of Transportation 15:00 · 17.2 min · 9,874 recorded · 9,750 measured · Source: BTS · US Department of Transportation 16:00 · 17.5 min · 9,250 recorded · 9,131 measured · Source: BTS · US Department of Transportation 17:00 · 21.6 min · 9,889 recorded · 9,741 measured · Source: BTS · US Department of Transportation 18:00 · 21.3 min · 11,927 recorded · 11,737 measured · Source: BTS · US Department of Transportation 19:00 · 24.5 min · 10,667 recorded · 10,477 measured · Source: BTS · US Department of Transportation 20:00 · 23.1 min · 11,128 recorded · 10,890 measured · Source: BTS · US Department of Transportation 21:00 · 23.2 min · 8,316 recorded · 8,190 measured · Source: BTS · US Department of Transportation 22:00 · 28.8 min · 5,875 recorded · 5,680 measured · Source: BTS · US Department of Transportation 23:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
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Recorded flights 17,241 8,621 0
00:00 · 1 · 1 recorded · 1 measured · Source: BTS · US Department of Transportation 01:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 02:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 03:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 04:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 05:00 · 1,539 · 1,539 recorded · 1,509 measured · Source: BTS · US Department of Transportation 06:00 · 16,541 · 16,541 recorded · 16,307 measured · Source: BTS · US Department of Transportation 07:00 · 6,433 · 6,433 recorded · 6,362 measured · Source: BTS · US Department of Transportation 08:00 · 17,241 · 17,241 recorded · 17,040 measured · Source: BTS · US Department of Transportation 09:00 · 8,824 · 8,824 recorded · 8,729 measured · Source: BTS · US Department of Transportation 10:00 · 13,448 · 13,448 recorded · 13,277 measured · Source: BTS · US Department of Transportation 11:00 · 8,830 · 8,830 recorded · 8,733 measured · Source: BTS · US Department of Transportation 12:00 · 6,874 · 6,874 recorded · 6,808 measured · Source: BTS · US Department of Transportation 13:00 · 8,611 · 8,611 recorded · 8,514 measured · Source: BTS · US Department of Transportation 14:00 · 8,747 · 8,747 recorded · 8,677 measured · Source: BTS · US Department of Transportation 15:00 · 9,874 · 9,874 recorded · 9,750 measured · Source: BTS · US Department of Transportation 16:00 · 9,250 · 9,250 recorded · 9,131 measured · Source: BTS · US Department of Transportation 17:00 · 9,889 · 9,889 recorded · 9,741 measured · Source: BTS · US Department of Transportation 18:00 · 11,927 · 11,927 recorded · 11,737 measured · Source: BTS · US Department of Transportation 19:00 · 10,667 · 10,667 recorded · 10,477 measured · Source: BTS · US Department of Transportation 20:00 · 11,128 · 11,128 recorded · 10,890 measured · Source: BTS · US Department of Transportation 21:00 · 8,316 · 8,316 recorded · 8,190 measured · Source: BTS · US Department of Transportation 22:00 · 5,875 · 5,875 recorded · 5,680 measured · Source: BTS · US Department of Transportation 23:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
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View the figures Departure hour On-time departures Average departure delay With departure time Recorded flights 00:00 Fewer than 200 measured departures — 1 1 01:00 No observations — — — 02:00 No observations — — — 03:00 No observations — — — 04:00 No observations — — — 05:00 92.8% 7.3 min 1,509 1,539 06:00 92.1% 2.9 min 16,307 16,541 07:00 89.7% 3.9 min 6,362 6,433 08:00 89.4% 4.6 min 17,040 17,241 09:00 83.2% 8.2 min 8,729 8,824 10:00 84.8% 7.0 min 13,277 13,448 11:00 81.8% 9.8 min 8,733 8,830 12:00 79.5% 11.9 min 6,808 6,874 13:00 75.4% 14.2 min 8,514 8,611 14:00 73.1% 15.3 min 8,677 8,747 15:00 69.2% 17.2 min 9,750 9,874 16:00 70.1% 17.5 min 9,131 9,250 17:00 66.1% 21.6 min 9,741 9,889 18:00 67.1% 21.3 min 11,737 11,927 19:00 62.7% 24.5 min 10,477 10,667 20:00 62.9% 23.1 min 10,890 11,128 21:00 60.6% 23.2 min 8,190 8,316 22:00 50.5% 28.8 min 5,680 5,875 23:00 No observations — — —
Day of week On-time departures 100.0 50.0 0.0
Monday · 73.6% · 26,384 recorded · 25,761 measured · Source: BTS · US Department of Transportation Tuesday · 81.2% · 23,722 recorded · 23,507 measured · Source: BTS · US Department of Transportation Wednesday · 81.2% · 23,441 recorded · 23,240 measured · Source: BTS · US Department of Transportation Thursday · 75.0% · 25,717 recorded · 25,441 measured · Source: BTS · US Department of Transportation Friday · 74.6% · 26,169 recorded · 25,888 measured · Source: BTS · US Department of Transportation Saturday · 75.0% · 22,526 recorded · 22,336 measured · Source: BTS · US Department of Transportation Sunday · 70.3% · 26,056 recorded · 25,380 measured · Source: BTS · US Department of Transportation Mon Tue Wed Thu Fri Sat Sun
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Average departure delay 17.6 8.8 0.0
Monday · 16.6 min · 26,384 recorded · 25,761 measured · Source: BTS · US Department of Transportation Tuesday · 9.1 min · 23,722 recorded · 23,507 measured · Source: BTS · US Department of Transportation Wednesday · 10.1 min · 23,441 recorded · 23,240 measured · Source: BTS · US Department of Transportation Thursday · 14.4 min · 25,717 recorded · 25,441 measured · Source: BTS · US Department of Transportation Friday · 15.6 min · 26,169 recorded · 25,888 measured · Source: BTS · US Department of Transportation Saturday · 13.6 min · 22,526 recorded · 22,336 measured · Source: BTS · US Department of Transportation Sunday · 17.6 min · 26,056 recorded · 25,380 measured · Source: BTS · US Department of Transportation Mon Tue Wed Thu Fri Sat Sun
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Recorded flights 26,384 13,192 0
Monday · 26,384 · 26,384 recorded · 25,761 measured · Source: BTS · US Department of Transportation Tuesday · 23,722 · 23,722 recorded · 23,507 measured · Source: BTS · US Department of Transportation Wednesday · 23,441 · 23,441 recorded · 23,240 measured · Source: BTS · US Department of Transportation Thursday · 25,717 · 25,717 recorded · 25,441 measured · Source: BTS · US Department of Transportation Friday · 26,169 · 26,169 recorded · 25,888 measured · Source: BTS · US Department of Transportation Saturday · 22,526 · 22,526 recorded · 22,336 measured · Source: BTS · US Department of Transportation Sunday · 26,056 · 26,056 recorded · 25,380 measured · Source: BTS · US Department of Transportation Mon Tue Wed Thu Fri Sat Sun
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View the figures Day of week On-time departures Average departure delay With departure time Recorded flights Monday 73.6% 16.6 min 25,761 26,384 Tuesday 81.2% 9.1 min 23,507 23,722 Wednesday 81.2% 10.1 min 23,240 23,441 Thursday 75.0% 14.4 min 25,441 25,717 Friday 74.6% 15.6 min 25,888 26,169 Saturday 75.0% 13.6 min 22,336 22,526 Sunday 70.3% 17.6 min 25,380 26,056
Month of year Months combine the same calendar month across the years shown; this is a seasonal pattern, not a monthly time series.
On-time departures 100.0 50.0 0.0
Jan · 81.4% · 14,028 recorded · 13,328 measured · Source: BTS · US Department of Transportation Feb · 79.3% · 13,123 recorded · 12,840 measured · Source: BTS · US Department of Transportation Mar · 72.4% · 15,730 recorded · 15,434 measured · Source: BTS · US Department of Transportation Apr · 78.4% · 16,148 recorded · 16,096 measured · Source: BTS · US Department of Transportation May · 72.2% · 16,572 recorded · 16,507 measured · Source: BTS · US Department of Transportation Jun · 66.4% · 16,705 recorded · 16,495 measured · Source: BTS · US Department of Transportation Jul · 63.1% · 8,922 recorded · 8,597 measured · Source: BTS · US Department of Transportation Aug · 75.8% · 8,381 recorded · 8,317 measured · Source: BTS · US Department of Transportation Sep · 82.3% · 16,241 recorded · 16,180 measured · Source: BTS · US Department of Transportation Oct · 79.6% · 16,877 recorded · 16,744 measured · Source: BTS · US Department of Transportation Nov · 82.5% · 15,517 recorded · 15,368 measured · Source: BTS · US Department of Transportation Dec · 71.6% · 15,771 recorded · 15,647 measured · Source: BTS · US Department of Transportation Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
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Average departure delay 32.2 16.1 0.0
Jan · 9.2 min · 14,028 recorded · 13,328 measured · Source: BTS · US Department of Transportation Feb · 10.7 min · 13,123 recorded · 12,840 measured · Source: BTS · US Department of Transportation Mar · 17.8 min · 15,730 recorded · 15,434 measured · Source: BTS · US Department of Transportation Apr · 11.2 min · 16,148 recorded · 16,096 measured · Source: BTS · US Department of Transportation May · 16.1 min · 16,572 recorded · 16,507 measured · Source: BTS · US Department of Transportation Jun · 22.3 min · 16,705 recorded · 16,495 measured · Source: BTS · US Department of Transportation Jul · 32.2 min · 8,922 recorded · 8,597 measured · Source: BTS · US Department of Transportation Aug · 14.3 min · 8,381 recorded · 8,317 measured · Source: BTS · US Department of Transportation Sep · 8.2 min · 16,241 recorded · 16,180 measured · Source: BTS · US Department of Transportation Oct · 9.1 min · 16,877 recorded · 16,744 measured · Source: BTS · US Department of Transportation Nov · 8.4 min · 15,517 recorded · 15,368 measured · Source: BTS · US Department of Transportation Dec · 15.1 min · 15,771 recorded · 15,647 measured · Source: BTS · US Department of Transportation Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
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Recorded flights 16,877 8,439 0
Jan · 14,028 · 14,028 recorded · 13,328 measured · Source: BTS · US Department of Transportation Feb · 13,123 · 13,123 recorded · 12,840 measured · Source: BTS · US Department of Transportation Mar · 15,730 · 15,730 recorded · 15,434 measured · Source: BTS · US Department of Transportation Apr · 16,148 · 16,148 recorded · 16,096 measured · Source: BTS · US Department of Transportation May · 16,572 · 16,572 recorded · 16,507 measured · Source: BTS · US Department of Transportation Jun · 16,705 · 16,705 recorded · 16,495 measured · Source: BTS · US Department of Transportation Jul · 8,922 · 8,922 recorded · 8,597 measured · Source: BTS · US Department of Transportation Aug · 8,381 · 8,381 recorded · 8,317 measured · Source: BTS · US Department of Transportation Sep · 16,241 · 16,241 recorded · 16,180 measured · Source: BTS · US Department of Transportation Oct · 16,877 · 16,877 recorded · 16,744 measured · Source: BTS · US Department of Transportation Nov · 15,517 · 15,517 recorded · 15,368 measured · Source: BTS · US Department of Transportation Dec · 15,771 · 15,771 recorded · 15,647 measured · Source: BTS · US Department of Transportation Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
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View the figures Month of year On-time departures Average departure delay With departure time Recorded flights Jan 81.4% 9.2 min 13,328 14,028 Feb 79.3% 10.7 min 12,840 13,123 Mar 72.4% 17.8 min 15,434 15,730 Apr 78.4% 11.2 min 16,096 16,148 May 72.2% 16.1 min 16,507 16,572 Jun 66.4% 22.3 min 16,495 16,705 Jul 63.1% 32.2 min 8,597 8,922 Aug 75.8% 14.3 min 8,317 8,381 Sep 82.3% 8.2 min 16,180 16,241 Oct 79.6% 9.1 min 16,744 16,877 Nov 82.5% 8.4 min 15,368 15,517 Dec 71.6% 15.1 min 15,647 15,771
Delay and on-time rates need at least 200 measured departures per bucket. Smaller samples remain visible in the flight-count chart. An empty slot means no observations, not zero flights.
Recorded outcomes On time 74.7% 129,933 Delayed >15 min 23.9% 41,620 Cancelled 1.4% 2,462 Missing departure time 0.0% 0 All recorded flights with a known scheduled local time, counted once. Missing actual times are shown separately.
On time means departing no more than 15 minutes after schedule. Cancelled flights and flights missing departure times are excluded from punctuality and average delay.
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