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4,620,795
San Francisco International Airport handled 4,620,795 passengers in May 2026, down 2.5% 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 73.7% 3,407,792 International 26.3% 1,213,003 Against 2019 -5.2% same month, before the pandemic
International share 26% 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 4,620,795 −2.5% US Bureau of Transportation Statistics Open this month → April 2026 4,354,592 +0.7% US Bureau of Transportation Statistics Open this month → March 2026 4,364,710 +5.4% US Bureau of Transportation Statistics Open this month → February 2026 3,554,517 +3.6% US Bureau of Transportation Statistics Open this month → January 2026 3,830,706 −1.8% US Bureau of Transportation Statistics Open this month → December 2025 4,390,270 −2.1% US Bureau of Transportation Statistics Open this month → November 2025 4,145,040 +1.4% US Bureau of Transportation Statistics Open this month → October 2025 4,666,052 +2.7% US Bureau of Transportation Statistics Open this month → September 2025 4,305,938 +0.5% US Bureau of Transportation Statistics Open this month → August 2025 4,865,294 +2.9% US Bureau of Transportation Statistics Open this month → July 2025 5,161,325 +6.0% US Bureau of Transportation Statistics Open this month → June 2025 4,973,056 +9.6% US Bureau of Transportation Statistics Open this month → May 2025 4,737,111 +8.4% US Bureau of Transportation Statistics Open this month → April 2025 4,325,613 +7.7% US Bureau of Transportation Statistics Open this month → March 2025 4,141,647 +3.3% US Bureau of Transportation Statistics Open this month → February 2025 3,431,107 +4.1% US Bureau of Transportation Statistics Open this month → January 2025 3,901,121 +11.1% US Bureau of Transportation Statistics Open this month → December 2024 4,483,838 +10.8% US Bureau of Transportation Statistics Open this month → November 2024 4,088,279 +2.1% US Bureau of Transportation Statistics Open this month → October 2024 4,543,002 +5.2% US Bureau of Transportation Statistics Open this month → September 2024 4,285,793 +2.2% US Bureau of Transportation Statistics Open this month → August 2024 4,728,353 +2.6% US Bureau of Transportation Statistics July 2024 4,871,272 +0.5% US Bureau of Transportation Statistics June 2024 4,538,644 −1.0% 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 0.5min · 6,229 recorded · 6,193 measured
Gap to highest-delay hour 18.8min 05:00 ↔ 15:00
Recorded flights 265,628 San Francisco International Airport
Departure hour Day of week Month of year
Departure hour On-time departures 100.0 50.0 0.0
00:00 · 80.9% · 2,127 recorded · 2,105 measured · Source: BTS · US Department of Transportation 01:00 · Fewer than 200 measured departures · 5 recorded · 5 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 · 95.5% · 6,229 recorded · 6,193 measured · Source: BTS · US Department of Transportation 06:00 · 94.0% · 12,477 recorded · 12,371 measured · Source: BTS · US Department of Transportation 07:00 · 92.6% · 16,166 recorded · 16,050 measured · Source: BTS · US Department of Transportation 08:00 · 89.9% · 22,852 recorded · 22,707 measured · Source: BTS · US Department of Transportation 09:00 · 84.2% · 17,125 recorded · 17,014 measured · Source: BTS · US Department of Transportation 10:00 · 75.9% · 20,871 recorded · 20,758 measured · Source: BTS · US Department of Transportation 11:00 · 75.5% · 16,353 recorded · 16,220 measured · Source: BTS · US Department of Transportation 12:00 · 72.5% · 12,902 recorded · 12,798 measured · Source: BTS · US Department of Transportation 13:00 · 74.5% · 20,105 recorded · 19,951 measured · Source: BTS · US Department of Transportation 14:00 · 72.2% · 10,351 recorded · 10,266 measured · Source: BTS · US Department of Transportation 15:00 · 69.5% · 6,896 recorded · 6,839 measured · Source: BTS · US Department of Transportation 16:00 · 76.6% · 23,449 recorded · 23,216 measured · Source: BTS · US Department of Transportation 17:00 · 74.1% · 6,394 recorded · 6,339 measured · Source: BTS · US Department of Transportation 18:00 · 79.5% · 14,659 recorded · 14,531 measured · Source: BTS · US Department of Transportation 19:00 · 78.5% · 10,059 recorded · 9,979 measured · Source: BTS · US Department of Transportation 20:00 · 74.5% · 8,440 recorded · 8,320 measured · Source: BTS · US Department of Transportation 21:00 · 77.7% · 12,899 recorded · 12,774 measured · Source: BTS · US Department of Transportation 22:00 · 76.7% · 14,063 recorded · 13,908 measured · Source: BTS · US Department of Transportation 23:00 · 77.5% · 11,206 recorded · 11,090 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 19.3 9.6 0.0
00:00 · 10.8 min · 2,127 recorded · 2,105 measured · Source: BTS · US Department of Transportation 01:00 · Fewer than 200 measured departures · 5 recorded · 5 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 · 0.5 min · 6,229 recorded · 6,193 measured · Source: BTS · US Department of Transportation 06:00 · 2.2 min · 12,477 recorded · 12,371 measured · Source: BTS · US Department of Transportation 07:00 · 2.7 min · 16,166 recorded · 16,050 measured · Source: BTS · US Department of Transportation 08:00 · 5.6 min · 22,852 recorded · 22,707 measured · Source: BTS · US Department of Transportation 09:00 · 9.7 min · 17,125 recorded · 17,014 measured · Source: BTS · US Department of Transportation 10:00 · 13.6 min · 20,871 recorded · 20,758 measured · Source: BTS · US Department of Transportation 11:00 · 15.1 min · 16,353 recorded · 16,220 measured · Source: BTS · US Department of Transportation 12:00 · 16.4 min · 12,902 recorded · 12,798 measured · Source: BTS · US Department of Transportation 13:00 · 16.6 min · 20,105 recorded · 19,951 measured · Source: BTS · US Department of Transportation 14:00 · 16.8 min · 10,351 recorded · 10,266 measured · Source: BTS · US Department of Transportation 15:00 · 19.3 min · 6,896 recorded · 6,839 measured · Source: BTS · US Department of Transportation 16:00 · 14.5 min · 23,449 recorded · 23,216 measured · Source: BTS · US Department of Transportation 17:00 · 15.2 min · 6,394 recorded · 6,339 measured · Source: BTS · US Department of Transportation 18:00 · 11.8 min · 14,659 recorded · 14,531 measured · Source: BTS · US Department of Transportation 19:00 · 12.2 min · 10,059 recorded · 9,979 measured · Source: BTS · US Department of Transportation 20:00 · 18.3 min · 8,440 recorded · 8,320 measured · Source: BTS · US Department of Transportation 21:00 · 14.4 min · 12,899 recorded · 12,774 measured · Source: BTS · US Department of Transportation 22:00 · 16.5 min · 14,063 recorded · 13,908 measured · Source: BTS · US Department of Transportation 23:00 · 13.3 min · 11,206 recorded · 11,090 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 23,449 11,725 0
00:00 · 2,127 · 2,127 recorded · 2,105 measured · Source: BTS · US Department of Transportation 01:00 · 5 · 5 recorded · 5 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 · 6,229 · 6,229 recorded · 6,193 measured · Source: BTS · US Department of Transportation 06:00 · 12,477 · 12,477 recorded · 12,371 measured · Source: BTS · US Department of Transportation 07:00 · 16,166 · 16,166 recorded · 16,050 measured · Source: BTS · US Department of Transportation 08:00 · 22,852 · 22,852 recorded · 22,707 measured · Source: BTS · US Department of Transportation 09:00 · 17,125 · 17,125 recorded · 17,014 measured · Source: BTS · US Department of Transportation 10:00 · 20,871 · 20,871 recorded · 20,758 measured · Source: BTS · US Department of Transportation 11:00 · 16,353 · 16,353 recorded · 16,220 measured · Source: BTS · US Department of Transportation 12:00 · 12,902 · 12,902 recorded · 12,798 measured · Source: BTS · US Department of Transportation 13:00 · 20,105 · 20,105 recorded · 19,951 measured · Source: BTS · US Department of Transportation 14:00 · 10,351 · 10,351 recorded · 10,266 measured · Source: BTS · US Department of Transportation 15:00 · 6,896 · 6,896 recorded · 6,839 measured · Source: BTS · US Department of Transportation 16:00 · 23,449 · 23,449 recorded · 23,216 measured · Source: BTS · US Department of Transportation 17:00 · 6,394 · 6,394 recorded · 6,339 measured · Source: BTS · US Department of Transportation 18:00 · 14,659 · 14,659 recorded · 14,531 measured · Source: BTS · US Department of Transportation 19:00 · 10,059 · 10,059 recorded · 9,979 measured · Source: BTS · US Department of Transportation 20:00 · 8,440 · 8,440 recorded · 8,320 measured · Source: BTS · US Department of Transportation 21:00 · 12,899 · 12,899 recorded · 12,774 measured · Source: BTS · US Department of Transportation 22:00 · 14,063 · 14,063 recorded · 13,908 measured · Source: BTS · US Department of Transportation 23:00 · 11,206 · 11,206 recorded · 11,090 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 80.9% 10.8 min 2,105 2,127 01:00 Fewer than 200 measured departures — 5 5 02:00 No observations — — — 03:00 No observations — — — 04:00 No observations — — — 05:00 95.5% 0.5 min 6,193 6,229 06:00 94.0% 2.2 min 12,371 12,477 07:00 92.6% 2.7 min 16,050 16,166 08:00 89.9% 5.6 min 22,707 22,852 09:00 84.2% 9.7 min 17,014 17,125 10:00 75.9% 13.6 min 20,758 20,871 11:00 75.5% 15.1 min 16,220 16,353 12:00 72.5% 16.4 min 12,798 12,902 13:00 74.5% 16.6 min 19,951 20,105 14:00 72.2% 16.8 min 10,266 10,351 15:00 69.5% 19.3 min 6,839 6,896 16:00 76.6% 14.5 min 23,216 23,449 17:00 74.1% 15.2 min 6,339 6,394 18:00 79.5% 11.8 min 14,531 14,659 19:00 78.5% 12.2 min 9,979 10,059 20:00 74.5% 18.3 min 8,320 8,440 21:00 77.7% 14.4 min 12,774 12,899 22:00 76.7% 16.5 min 13,908 14,063 23:00 77.5% 13.3 min 11,090 11,206
Day of week On-time departures 100.0 50.0 0.0
Monday · 77.3% · 40,019 recorded · 39,627 measured · Source: BTS · US Department of Transportation Tuesday · 84.9% · 35,737 recorded · 35,526 measured · Source: BTS · US Department of Transportation Wednesday · 82.1% · 36,329 recorded · 36,097 measured · Source: BTS · US Department of Transportation Thursday · 77.6% · 39,312 recorded · 38,963 measured · Source: BTS · US Department of Transportation Friday · 77.6% · 39,609 recorded · 39,297 measured · Source: BTS · US Department of Transportation Saturday · 83.5% · 34,797 recorded · 34,532 measured · Source: BTS · US Department of Transportation Sunday · 77.0% · 39,825 recorded · 39,392 measured · Source: BTS · US Department of Transportation Mon Tue Wed Thu Fri Sat Sun
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Average departure delay 15.3 7.6 0.0
Monday · 14.1 min · 40,019 recorded · 39,627 measured · Source: BTS · US Department of Transportation Tuesday · 7.4 min · 35,737 recorded · 35,526 measured · Source: BTS · US Department of Transportation Wednesday · 9.8 min · 36,329 recorded · 36,097 measured · Source: BTS · US Department of Transportation Thursday · 14.4 min · 39,312 recorded · 38,963 measured · Source: BTS · US Department of Transportation Friday · 13.9 min · 39,609 recorded · 39,297 measured · Source: BTS · US Department of Transportation Saturday · 9.1 min · 34,797 recorded · 34,532 measured · Source: BTS · US Department of Transportation Sunday · 15.3 min · 39,825 recorded · 39,392 measured · Source: BTS · US Department of Transportation Mon Tue Wed Thu Fri Sat Sun
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Recorded flights 40,019 20,010 0
Monday · 40,019 · 40,019 recorded · 39,627 measured · Source: BTS · US Department of Transportation Tuesday · 35,737 · 35,737 recorded · 35,526 measured · Source: BTS · US Department of Transportation Wednesday · 36,329 · 36,329 recorded · 36,097 measured · Source: BTS · US Department of Transportation Thursday · 39,312 · 39,312 recorded · 38,963 measured · Source: BTS · US Department of Transportation Friday · 39,609 · 39,609 recorded · 39,297 measured · Source: BTS · US Department of Transportation Saturday · 34,797 · 34,797 recorded · 34,532 measured · Source: BTS · US Department of Transportation Sunday · 39,825 · 39,825 recorded · 39,392 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 77.3% 14.1 min 39,627 40,019 Tuesday 84.9% 7.4 min 35,526 35,737 Wednesday 82.1% 9.8 min 36,097 36,329 Thursday 77.6% 14.4 min 38,963 39,312 Friday 77.6% 13.9 min 39,297 39,609 Saturday 83.5% 9.1 min 34,532 34,797 Sunday 77.0% 15.3 min 39,392 39,825
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 · 84.3% · 21,952 recorded · 21,601 measured · Source: BTS · US Department of Transportation Feb · 80.4% · 20,252 recorded · 20,019 measured · Source: BTS · US Department of Transportation Mar · 82.8% · 24,058 recorded · 23,863 measured · Source: BTS · US Department of Transportation Apr · 80.5% · 24,574 recorded · 24,456 measured · Source: BTS · US Department of Transportation May · 76.1% · 25,999 recorded · 25,844 measured · Source: BTS · US Department of Transportation Jun · 72.5% · 26,037 recorded · 25,863 measured · Source: BTS · US Department of Transportation Jul · 77.2% · 12,958 recorded · 12,810 measured · Source: BTS · US Department of Transportation Aug · 81.9% · 12,594 recorded · 12,513 measured · Source: BTS · US Department of Transportation Sep · 84.5% · 23,597 recorded · 23,529 measured · Source: BTS · US Department of Transportation Oct · 82.7% · 25,342 recorded · 25,255 measured · Source: BTS · US Department of Transportation Nov · 79.8% · 24,193 recorded · 23,825 measured · Source: BTS · US Department of Transportation Dec · 76.9% · 24,072 recorded · 23,856 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 17.3 8.6 0.0
Jan · 9.7 min · 21,952 recorded · 21,601 measured · Source: BTS · US Department of Transportation Feb · 12.8 min · 20,252 recorded · 20,019 measured · Source: BTS · US Department of Transportation Mar · 10.3 min · 24,058 recorded · 23,863 measured · Source: BTS · US Department of Transportation Apr · 10.5 min · 24,574 recorded · 24,456 measured · Source: BTS · US Department of Transportation May · 14.3 min · 25,999 recorded · 25,844 measured · Source: BTS · US Department of Transportation Jun · 17.3 min · 26,037 recorded · 25,863 measured · Source: BTS · US Department of Transportation Jul · 14.6 min · 12,958 recorded · 12,810 measured · Source: BTS · US Department of Transportation Aug · 10.9 min · 12,594 recorded · 12,513 measured · Source: BTS · US Department of Transportation Sep · 7.6 min · 23,597 recorded · 23,529 measured · Source: BTS · US Department of Transportation Oct · 9.0 min · 25,342 recorded · 25,255 measured · Source: BTS · US Department of Transportation Nov · 12.5 min · 24,193 recorded · 23,825 measured · Source: BTS · US Department of Transportation Dec · 16.3 min · 24,072 recorded · 23,856 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 26,037 13,019 0
Jan · 21,952 · 21,952 recorded · 21,601 measured · Source: BTS · US Department of Transportation Feb · 20,252 · 20,252 recorded · 20,019 measured · Source: BTS · US Department of Transportation Mar · 24,058 · 24,058 recorded · 23,863 measured · Source: BTS · US Department of Transportation Apr · 24,574 · 24,574 recorded · 24,456 measured · Source: BTS · US Department of Transportation May · 25,999 · 25,999 recorded · 25,844 measured · Source: BTS · US Department of Transportation Jun · 26,037 · 26,037 recorded · 25,863 measured · Source: BTS · US Department of Transportation Jul · 12,958 · 12,958 recorded · 12,810 measured · Source: BTS · US Department of Transportation Aug · 12,594 · 12,594 recorded · 12,513 measured · Source: BTS · US Department of Transportation Sep · 23,597 · 23,597 recorded · 23,529 measured · Source: BTS · US Department of Transportation Oct · 25,342 · 25,342 recorded · 25,255 measured · Source: BTS · US Department of Transportation Nov · 24,193 · 24,193 recorded · 23,825 measured · Source: BTS · US Department of Transportation Dec · 24,072 · 24,072 recorded · 23,856 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 84.3% 9.7 min 21,601 21,952 Feb 80.4% 12.8 min 20,019 20,252 Mar 82.8% 10.3 min 23,863 24,058 Apr 80.5% 10.5 min 24,456 24,574 May 76.1% 14.3 min 25,844 25,999 Jun 72.5% 17.3 min 25,863 26,037 Jul 77.2% 14.6 min 12,810 12,958 Aug 81.9% 10.9 min 12,513 12,594 Sep 84.5% 7.6 min 23,529 23,597 Oct 82.7% 9.0 min 25,255 25,342 Nov 79.8% 12.5 min 23,825 24,193 Dec 76.9% 16.3 min 23,856 24,072
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 79.2% 210,392 Delayed >15 min 20.0% 53,042 Cancelled 0.8% 2,194 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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