San Francisco (SFO)

SFO / KSFO

Official · May 2026

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).

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.
24 of 24
PeriodPassengers Year on yearSource
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 delay05:00–06:000.5min · 6,229 recorded · 6,193 measured
Gap to highest-delay hour18.8min05:00 ↔ 15:00
Recorded flights265,628San Francisco International Airport

Departure hour

On-time departures
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

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Average departure delay
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

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Recorded flights
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

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View the figures
Departure hourOn-time departuresAverage departure delayWith departure timeRecorded flights
00:0080.9%10.8 min2,1052,127
01:00Fewer than 200 measured departures55
02:00No observations
03:00No observations
04:00No observations
05:0095.5%0.5 min6,1936,229
06:0094.0%2.2 min12,37112,477
07:0092.6%2.7 min16,05016,166
08:0089.9%5.6 min22,70722,852
09:0084.2%9.7 min17,01417,125
10:0075.9%13.6 min20,75820,871
11:0075.5%15.1 min16,22016,353
12:0072.5%16.4 min12,79812,902
13:0074.5%16.6 min19,95120,105
14:0072.2%16.8 min10,26610,351
15:0069.5%19.3 min6,8396,896
16:0076.6%14.5 min23,21623,449
17:0074.1%15.2 min6,3396,394
18:0079.5%11.8 min14,53114,659
19:0078.5%12.2 min9,97910,059
20:0074.5%18.3 min8,3208,440
21:0077.7%14.4 min12,77412,899
22:0076.7%16.5 min13,90814,063
23:0077.5%13.3 min11,09011,206

Day of week

On-time departures
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

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Average departure delay
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

Hover, tap or focus a point to see its value, sample and source.

Recorded flights
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

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View the figures
Day of weekOn-time departuresAverage departure delayWith departure timeRecorded flights
Monday77.3%14.1 min39,62740,019
Tuesday84.9%7.4 min35,52635,737
Wednesday82.1%9.8 min36,09736,329
Thursday77.6%14.4 min38,96339,312
Friday77.6%13.9 min39,29739,609
Saturday83.5%9.1 min34,53234,797
Sunday77.0%15.3 min39,39239,825

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
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

Hover, tap or focus a point to see its value, sample and source.

Average departure delay
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

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Recorded flights
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

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View the figures
Month of yearOn-time departuresAverage departure delayWith departure timeRecorded flights
Jan84.3%9.7 min21,60121,952
Feb80.4%12.8 min20,01920,252
Mar82.8%10.3 min23,86324,058
Apr80.5%10.5 min24,45624,574
May76.1%14.3 min25,84425,999
Jun72.5%17.3 min25,86326,037
Jul77.2%14.6 min12,81012,958
Aug81.9%10.9 min12,51312,594
Sep84.5%7.6 min23,52923,597
Oct82.7%9.0 min25,25525,342
Nov79.8%12.5 min23,82524,193
Dec76.9%16.3 min23,85624,072

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.