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Flight records through . Security counts through .

Which STL to PHX flight is punctual? Southwest 3967, 5:45 am.

98% on time across 43 flights in the last 3 months, never cancelled.

Find your flightSTL security
DepartsFlightOn time
5:45 amWN 396798%
11:50 amWN 387788%
8:00 amAA 257480%
2:46 pmAA 317968%
1:20 pmWN 396853%
8:45 pmWN 387833%
7:20 pmWN 461532%
9:45 pmWN 436032%
8 of 8 regular flights, ranked by arrivals on time, June to August 2026.

Which airline is most reliable? American, by a distance.

American landed on time 82% of the time, Southwest 71%.

Flight records,

  • American

    82%

    on time

    0.9% cancelled

  • Southwest

    71%

    on time

    0.3% cancelled

When do the flights leave? 8 regular flights, 5:45 am to 9:45 pm.

AA 2574 was cancelled most often, 2% of the time.

Flight records,

  1. AA 2574 8:00 am, 2% cancelled 80%
  2. AA 3179 2:46 pm, 0% cancelled 68%
  1. WN 3967 5:45 am, 0% cancelled 98%
  2. WN 3877 11:50 am, 0% cancelled 88%
  3. WN 3968 1:20 pm, 0% cancelled 53%
  4. WN 4615 7:20 pm, 0% cancelled 32%
  5. WN 3878 8:45 pm, 0% cancelled 33%
  6. WN 4360 9:45 pm, 0% cancelled 32%

What time should I fly? The 5 am departures.

96% landed on time; at 9 pm, 41%. Tuesday was the best day, Sunday the worst.

Flight records,

DepartsLanded on time
5 am96%
6 am92%
7 am84%
8 am89%
9 am89%
10 am80%
11 am81%
12 pm93%
1 pm65%
2 pm74%
4 pm58%
5 pm60%
6 pm58%
7 pm60%
8 pm57%
9 pm41%
10 pm50%

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.