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Flight records through . Security counts through .

Which STL to DCA flight is punctual? American 309, 6:43 am.

85% on time across 27 flights in the last 3 months, 7.4% cancelled.

Find your flightSTL security
DepartsFlightOn time
6:43 amAA 30985%
8:30 amWN 390584%
6:00 amAA 501581%
8:10 amWN 193079%
1:10 pmWN 299975%
10:31 amAA 541370%
1:20 pmWN 208457%
5:57 pmAA 562948%
8 of 13 regular flights, ranked by arrivals on time, June to August 2026.

Which airline is most reliable? Southwest and American, neck and neck.

Southwest landed on time 71% of the time, American 70%.

Flight records,

  • Southwest

    71%

    on time

    1.5% cancelled

  • American

    70%

    on time

    5.5% cancelled

When do the flights leave? 13 regular flights, 6 am to 7:55 pm.

AA 5629 was cancelled most often, 35% of the time.

Flight records,

  1. WN 1930 8:10 am, 7% cancelled 79%
  2. WN 3905 8:30 am, 0% cancelled 84%
  3. WN 2999 1:10 pm, 0% cancelled 75%
  4. WN 2084 1:20 pm, 0% cancelled 57%
  5. WN 3907 3:55 pm, 3% cancelled 43%
  6. WN 3825 7:55 pm, 5% cancelled 45%
  7. WN 3908 7:55 pm, 2% cancelled 43%
  1. AA 5015 6:00 am, 7% cancelled 81%
  2. AA 309 6:43 am, 7% cancelled 85%
  3. AA 5413 10:31 am, 6% cancelled 70%
  4. AA 5582 5:00 pm, 12% cancelled 47%
  5. AA 4468 5:02 pm, 17% cancelled 46%
  6. AA 5629 5:57 pm, 35% cancelled 48%

What time should I fly? The 12 pm departures.

90% landed on time; at 5 pm, 52%. Wednesday was the best day, Sunday the worst.

Flight records,

DepartsLanded on time
5 am71%
6 am81%
8 am87%
9 am76%
10 am78%
12 pm90%
1 pm67%
3 pm64%
5 pm52%
6 pm62%
7 pm58%

When is STL security busiest? 5 am, then 7 am.

Calmest around 5 pm. St. Louis security, hour by hour.

Security counts,

4a8a12p4p8p
Mon
Tue
Wed
Thu
Fri
Sat
Sun
MonTueWedThuFriSatSun
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p

Friday, 7 am

1,760

people screened, all terminals.