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Flight records through . Security counts through .

Which STL to BWI flight is punctual? Southwest 3812, 11:40 am.

96% on time across 24 flights in the last 3 months, never cancelled.

Find your flightSTL security
DepartsFlightOn time
11:40 amWN 381296%
6:05 amWN 381193%
5:50 amWN 389492%
5:20 pmWN 79372%
11:00 amWN 461470%
6:50 pmWN 381455%
8:10 pmWN 389742%
7 of 7 regular flights, ranked by arrivals on time, June to August 2026.

When do the flights leave? 7 regular flights, 5:50 am to 8:10 pm.

WN 3811 was cancelled most often, 4% of the time.

Flight records,

  1. WN 3894 5:50 am, 0% cancelled 92%
  2. WN 3811 6:05 am, 4% cancelled 93%
  3. WN 4614 11:00 am, 3% cancelled 70%
  4. WN 3812 11:40 am, 0% cancelled 96%
  5. WN 793 5:20 pm, 3% cancelled 72%
  6. WN 3814 6:50 pm, 0% cancelled 55%
  7. WN 3897 8:10 pm, 0% cancelled 42%

What time should I fly? The 5 am departures.

96% landed on time; at 7 pm, 59%. Wednesday was the best day, Sunday the worst.

Flight records,

DepartsLanded on time
5 am96%
6 am93%
9 am89%
11 am87%
1 pm70%
2 pm78%
4 pm63%
5 pm63%
6 pm65%
7 pm59%
8 pm60%

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.