Countries › United States › Chicago › MDW Chicago Midway (MDW) MDW / KMDW
1,718,248
Chicago Midway International Airport handled 1,718,248 passengers in May 2026, up 6.4% 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 97.0% 1,665,988 International 3.0% 52,260 Against 2019 -8.7% same month, before the pandemic
International share 3% 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 1,718,248 +6.4% US Bureau of Transportation Statistics Open this month → April 2026 1,568,955 +4.1% US Bureau of Transportation Statistics Open this month → March 2026 1,638,929 +7.6% US Bureau of Transportation Statistics Open this month → February 2026 1,045,332 −1.2% US Bureau of Transportation Statistics Open this month → January 2026 1,064,195 −8.0% US Bureau of Transportation Statistics Open this month → December 2025 1,439,105 −7.3% US Bureau of Transportation Statistics Open this month → November 2025 1,329,239 −13.1% US Bureau of Transportation Statistics Open this month → October 2025 1,752,180 −1.6% US Bureau of Transportation Statistics Open this month → September 2025 1,718,312 −5.9% US Bureau of Transportation Statistics Open this month → August 2025 1,843,770 −6.6% US Bureau of Transportation Statistics Open this month → July 2025 2,009,551 −10.7% US Bureau of Transportation Statistics Open this month → June 2025 1,964,404 −7.9% US Bureau of Transportation Statistics Open this month → May 2025 1,615,228 −16.9% US Bureau of Transportation Statistics Open this month → April 2025 1,506,593 −15.5% US Bureau of Transportation Statistics Open this month → March 2025 1,523,685 −14.1% US Bureau of Transportation Statistics Open this month → February 2025 1,058,238 −17.2% US Bureau of Transportation Statistics Open this month → January 2025 1,156,541 −6.8% US Bureau of Transportation Statistics Open this month → December 2024 1,552,401 −3.7% US Bureau of Transportation Statistics Open this month → November 2024 1,529,192 −10.5% US Bureau of Transportation Statistics Open this month → October 2024 1,780,281 −12.2% US Bureau of Transportation Statistics Open this month → September 2024 1,825,226 −3.5% US Bureau of Transportation Statistics Open this month → August 2024 1,973,589 −4.2% US Bureau of Transportation Statistics July 2024 2,251,389 +3.6% US Bureau of Transportation Statistics June 2024 2,132,972 +1.4% 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 05:00–06:00 -0.3min · 4,299 recorded · 4,268 measured
Gap to highest-delay hour 30.2min 05:00 ↔ 21:00
Recorded flights 134,841 Chicago Midway International Airport
Departure hour Day of week Month of year
Departure hour On-time departures 100.0 50.0 0.0
00:00 · No observations · 0 recorded · 0 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 · 94.3% · 4,299 recorded · 4,268 measured · Source: BTS · US Department of Transportation 06:00 · 94.7% · 5,885 recorded · 5,821 measured · Source: BTS · US Department of Transportation 07:00 · 90.3% · 8,693 recorded · 8,614 measured · Source: BTS · US Department of Transportation 08:00 · 88.9% · 10,766 recorded · 10,688 measured · Source: BTS · US Department of Transportation 09:00 · 85.5% · 10,962 recorded · 10,849 measured · Source: BTS · US Department of Transportation 10:00 · 86.1% · 9,302 recorded · 9,214 measured · Source: BTS · US Department of Transportation 11:00 · 78.4% · 6,092 recorded · 6,030 measured · Source: BTS · US Department of Transportation 12:00 · 78.5% · 7,756 recorded · 7,657 measured · Source: BTS · US Department of Transportation 13:00 · 79.0% · 9,342 recorded · 9,265 measured · Source: BTS · US Department of Transportation 14:00 · 73.7% · 6,982 recorded · 6,906 measured · Source: BTS · US Department of Transportation 15:00 · 70.3% · 5,948 recorded · 5,884 measured · Source: BTS · US Department of Transportation 16:00 · 69.3% · 5,798 recorded · 5,739 measured · Source: BTS · US Department of Transportation 17:00 · 65.5% · 7,419 recorded · 7,317 measured · Source: BTS · US Department of Transportation 18:00 · 65.7% · 10,183 recorded · 10,035 measured · Source: BTS · US Department of Transportation 19:00 · 65.7% · 6,884 recorded · 6,785 measured · Source: BTS · US Department of Transportation 20:00 · 65.3% · 9,454 recorded · 9,331 measured · Source: BTS · US Department of Transportation 21:00 · 53.0% · 6,212 recorded · 6,094 measured · Source: BTS · US Department of Transportation 22:00 · 56.4% · 2,864 recorded · 2,816 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 29.9 14.8 -0.3
00:00 · No observations · 0 recorded · 0 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 · -0.3 min · 4,299 recorded · 4,268 measured · Source: BTS · US Department of Transportation 06:00 · 0.2 min · 5,885 recorded · 5,821 measured · Source: BTS · US Department of Transportation 07:00 · 3.4 min · 8,693 recorded · 8,614 measured · Source: BTS · US Department of Transportation 08:00 · 3.8 min · 10,766 recorded · 10,688 measured · Source: BTS · US Department of Transportation 09:00 · 5.8 min · 10,962 recorded · 10,849 measured · Source: BTS · US Department of Transportation 10:00 · 6.1 min · 9,302 recorded · 9,214 measured · Source: BTS · US Department of Transportation 11:00 · 11.5 min · 6,092 recorded · 6,030 measured · Source: BTS · US Department of Transportation 12:00 · 10.8 min · 7,756 recorded · 7,657 measured · Source: BTS · US Department of Transportation 13:00 · 11.2 min · 9,342 recorded · 9,265 measured · Source: BTS · US Department of Transportation 14:00 · 14.9 min · 6,982 recorded · 6,906 measured · Source: BTS · US Department of Transportation 15:00 · 16.5 min · 5,948 recorded · 5,884 measured · Source: BTS · US Department of Transportation 16:00 · 17.4 min · 5,798 recorded · 5,739 measured · Source: BTS · US Department of Transportation 17:00 · 19.6 min · 7,419 recorded · 7,317 measured · Source: BTS · US Department of Transportation 18:00 · 20.2 min · 10,183 recorded · 10,035 measured · Source: BTS · US Department of Transportation 19:00 · 20.5 min · 6,884 recorded · 6,785 measured · Source: BTS · US Department of Transportation 20:00 · 20.6 min · 9,454 recorded · 9,331 measured · Source: BTS · US Department of Transportation 21:00 · 29.9 min · 6,212 recorded · 6,094 measured · Source: BTS · US Department of Transportation 22:00 · 24.8 min · 2,864 recorded · 2,816 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 10,962 5,481 0
00:00 · No observations · 0 recorded · 0 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 · 4,299 · 4,299 recorded · 4,268 measured · Source: BTS · US Department of Transportation 06:00 · 5,885 · 5,885 recorded · 5,821 measured · Source: BTS · US Department of Transportation 07:00 · 8,693 · 8,693 recorded · 8,614 measured · Source: BTS · US Department of Transportation 08:00 · 10,766 · 10,766 recorded · 10,688 measured · Source: BTS · US Department of Transportation 09:00 · 10,962 · 10,962 recorded · 10,849 measured · Source: BTS · US Department of Transportation 10:00 · 9,302 · 9,302 recorded · 9,214 measured · Source: BTS · US Department of Transportation 11:00 · 6,092 · 6,092 recorded · 6,030 measured · Source: BTS · US Department of Transportation 12:00 · 7,756 · 7,756 recorded · 7,657 measured · Source: BTS · US Department of Transportation 13:00 · 9,342 · 9,342 recorded · 9,265 measured · Source: BTS · US Department of Transportation 14:00 · 6,982 · 6,982 recorded · 6,906 measured · Source: BTS · US Department of Transportation 15:00 · 5,948 · 5,948 recorded · 5,884 measured · Source: BTS · US Department of Transportation 16:00 · 5,798 · 5,798 recorded · 5,739 measured · Source: BTS · US Department of Transportation 17:00 · 7,419 · 7,419 recorded · 7,317 measured · Source: BTS · US Department of Transportation 18:00 · 10,183 · 10,183 recorded · 10,035 measured · Source: BTS · US Department of Transportation 19:00 · 6,884 · 6,884 recorded · 6,785 measured · Source: BTS · US Department of Transportation 20:00 · 9,454 · 9,454 recorded · 9,331 measured · Source: BTS · US Department of Transportation 21:00 · 6,212 · 6,212 recorded · 6,094 measured · Source: BTS · US Department of Transportation 22:00 · 2,864 · 2,864 recorded · 2,816 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 No observations — — — 01:00 No observations — — — 02:00 No observations — — — 03:00 No observations — — — 04:00 No observations — — — 05:00 94.3% -0.3 min 4,268 4,299 06:00 94.7% 0.2 min 5,821 5,885 07:00 90.3% 3.4 min 8,614 8,693 08:00 88.9% 3.8 min 10,688 10,766 09:00 85.5% 5.8 min 10,849 10,962 10:00 86.1% 6.1 min 9,214 9,302 11:00 78.4% 11.5 min 6,030 6,092 12:00 78.5% 10.8 min 7,657 7,756 13:00 79.0% 11.2 min 9,265 9,342 14:00 73.7% 14.9 min 6,906 6,982 15:00 70.3% 16.5 min 5,884 5,948 16:00 69.3% 17.4 min 5,739 5,798 17:00 65.5% 19.6 min 7,317 7,419 18:00 65.7% 20.2 min 10,035 10,183 19:00 65.7% 20.5 min 6,785 6,884 20:00 65.3% 20.6 min 9,331 9,454 21:00 53.0% 29.9 min 6,094 6,212 22:00 56.4% 24.8 min 2,816 2,864 23:00 No observations — — —
Day of week On-time departures 100.0 50.0 0.0
Monday · 74.8% · 20,619 recorded · 20,345 measured · Source: BTS · US Department of Transportation Tuesday · 81.0% · 18,710 recorded · 18,597 measured · Source: BTS · US Department of Transportation Wednesday · 80.8% · 18,413 recorded · 18,223 measured · Source: BTS · US Department of Transportation Thursday · 75.2% · 20,121 recorded · 19,861 measured · Source: BTS · US Department of Transportation Friday · 74.8% · 20,408 recorded · 20,234 measured · Source: BTS · US Department of Transportation Saturday · 78.7% · 16,232 recorded · 15,982 measured · Source: BTS · US Department of Transportation Sunday · 71.7% · 20,338 recorded · 20,071 measured · Source: BTS · US Department of Transportation Mon Tue Wed Thu Fri Sat Sun
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Average departure delay 16.0 8.0 0.0
Monday · 14.1 min · 20,619 recorded · 20,345 measured · Source: BTS · US Department of Transportation Tuesday · 9.2 min · 18,710 recorded · 18,597 measured · Source: BTS · US Department of Transportation Wednesday · 9.6 min · 18,413 recorded · 18,223 measured · Source: BTS · US Department of Transportation Thursday · 13.9 min · 20,121 recorded · 19,861 measured · Source: BTS · US Department of Transportation Friday · 14.3 min · 20,408 recorded · 20,234 measured · Source: BTS · US Department of Transportation Saturday · 9.7 min · 16,232 recorded · 15,982 measured · Source: BTS · US Department of Transportation Sunday · 16.0 min · 20,338 recorded · 20,071 measured · Source: BTS · US Department of Transportation Mon Tue Wed Thu Fri Sat Sun
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Recorded flights 20,619 10,310 0
Monday · 20,619 · 20,619 recorded · 20,345 measured · Source: BTS · US Department of Transportation Tuesday · 18,710 · 18,710 recorded · 18,597 measured · Source: BTS · US Department of Transportation Wednesday · 18,413 · 18,413 recorded · 18,223 measured · Source: BTS · US Department of Transportation Thursday · 20,121 · 20,121 recorded · 19,861 measured · Source: BTS · US Department of Transportation Friday · 20,408 · 20,408 recorded · 20,234 measured · Source: BTS · US Department of Transportation Saturday · 16,232 · 16,232 recorded · 15,982 measured · Source: BTS · US Department of Transportation Sunday · 20,338 · 20,338 recorded · 20,071 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 74.8% 14.1 min 20,345 20,619 Tuesday 81.0% 9.2 min 18,597 18,710 Wednesday 80.8% 9.6 min 18,223 18,413 Thursday 75.2% 13.9 min 19,861 20,121 Friday 74.8% 14.3 min 20,234 20,408 Saturday 78.7% 9.7 min 15,982 16,232 Sunday 71.7% 16.0 min 20,071 20,338
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 · 82.3% · 10,037 recorded · 9,827 measured · Source: BTS · US Department of Transportation Feb · 82.0% · 9,278 recorded · 9,204 measured · Source: BTS · US Department of Transportation Mar · 71.6% · 12,614 recorded · 12,304 measured · Source: BTS · US Department of Transportation Apr · 80.5% · 12,333 recorded · 12,226 measured · Source: BTS · US Department of Transportation May · 73.4% · 12,397 recorded · 12,357 measured · Source: BTS · US Department of Transportation Jun · 65.0% · 14,124 recorded · 13,972 measured · Source: BTS · US Department of Transportation Jul · 64.6% · 7,531 recorded · 7,395 measured · Source: BTS · US Department of Transportation Aug · 75.3% · 6,731 recorded · 6,681 measured · Source: BTS · US Department of Transportation Sep · 83.4% · 13,308 recorded · 13,282 measured · Source: BTS · US Department of Transportation Oct · 82.6% · 13,280 recorded · 13,211 measured · Source: BTS · US Department of Transportation Nov · 83.1% · 11,521 recorded · 11,222 measured · Source: BTS · US Department of Transportation Dec · 72.8% · 11,687 recorded · 11,632 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 24.3 12.1 0.0
Jan · 7.2 min · 10,037 recorded · 9,827 measured · Source: BTS · US Department of Transportation Feb · 8.1 min · 9,278 recorded · 9,204 measured · Source: BTS · US Department of Transportation Mar · 17.0 min · 12,614 recorded · 12,304 measured · Source: BTS · US Department of Transportation Apr · 9.4 min · 12,333 recorded · 12,226 measured · Source: BTS · US Department of Transportation May · 14.6 min · 12,397 recorded · 12,357 measured · Source: BTS · US Department of Transportation Jun · 21.0 min · 14,124 recorded · 13,972 measured · Source: BTS · US Department of Transportation Jul · 24.3 min · 7,531 recorded · 7,395 measured · Source: BTS · US Department of Transportation Aug · 14.5 min · 6,731 recorded · 6,681 measured · Source: BTS · US Department of Transportation Sep · 6.9 min · 13,308 recorded · 13,282 measured · Source: BTS · US Department of Transportation Oct · 7.4 min · 13,280 recorded · 13,211 measured · Source: BTS · US Department of Transportation Nov · 8.7 min · 11,521 recorded · 11,222 measured · Source: BTS · US Department of Transportation Dec · 14.4 min · 11,687 recorded · 11,632 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 14,124 7,062 0
Jan · 10,037 · 10,037 recorded · 9,827 measured · Source: BTS · US Department of Transportation Feb · 9,278 · 9,278 recorded · 9,204 measured · Source: BTS · US Department of Transportation Mar · 12,614 · 12,614 recorded · 12,304 measured · Source: BTS · US Department of Transportation Apr · 12,333 · 12,333 recorded · 12,226 measured · Source: BTS · US Department of Transportation May · 12,397 · 12,397 recorded · 12,357 measured · Source: BTS · US Department of Transportation Jun · 14,124 · 14,124 recorded · 13,972 measured · Source: BTS · US Department of Transportation Jul · 7,531 · 7,531 recorded · 7,395 measured · Source: BTS · US Department of Transportation Aug · 6,731 · 6,731 recorded · 6,681 measured · Source: BTS · US Department of Transportation Sep · 13,308 · 13,308 recorded · 13,282 measured · Source: BTS · US Department of Transportation Oct · 13,280 · 13,280 recorded · 13,211 measured · Source: BTS · US Department of Transportation Nov · 11,521 · 11,521 recorded · 11,222 measured · Source: BTS · US Department of Transportation Dec · 11,687 · 11,687 recorded · 11,632 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 82.3% 7.2 min 9,827 10,037 Feb 82.0% 8.1 min 9,204 9,278 Mar 71.6% 17.0 min 12,304 12,614 Apr 80.5% 9.4 min 12,226 12,333 May 73.4% 14.6 min 12,357 12,397 Jun 65.0% 21.0 min 13,972 14,124 Jul 64.6% 24.3 min 7,395 7,531 Aug 75.3% 14.5 min 6,681 6,731 Sep 83.4% 6.9 min 13,282 13,308 Oct 82.6% 7.4 min 13,211 13,280 Nov 83.1% 8.7 min 11,222 11,521 Dec 72.8% 14.4 min 11,632 11,687
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 75.7% 102,027 Delayed >15 min 23.2% 31,286 Cancelled 1.1% 1,528 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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