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Flight records through . Security counts through .

Which STL to DEN flight is punctual? Southwest 3826, 6:25 am.

100% on time across 28 flights in the last 3 months, never cancelled.

Find your flightSTL security
DepartsFlightOn time
6:25 amWN 3826100%
5:35 amWN 390992%
9:06 amUA 245990%
5:10 amUA 36289%
8:25 amWN 391086%
1:38 pmUA 138080%
8:30 amWN 382775%
11:30 amWN 431271%
8 of 17 regular flights, ranked by arrivals on time, June to August 2026.

Which airline is most reliable? United, ahead of Southwest.

United landed on time 79% of the time, Southwest 72%.

Flight records,

  • United

    79%

    on time

    0.7% cancelled

  • Southwest

    72%

    on time

    0.1% cancelled

When do the flights leave? 17 regular flights, 5:10 am to 10:35 pm.

WN 3910 was cancelled most often, 2% of the time.

Flight records,

  1. UA 362 5:10 am, 1% cancelled 89%
  2. UA 2459 9:06 am, 1% cancelled 90%
  3. UA 1380 1:38 pm, 1% cancelled 80%
  4. UA 333 4:40 pm, 0% cancelled 38%
  5. UA 1483 4:48 pm, 0% cancelled 53%
  1. WN 3909 5:35 am, 0% cancelled 92%
  2. WN 3826 6:25 am, 0% cancelled 100%
  3. WN 3910 8:25 am, 2% cancelled 86%
  4. WN 3827 8:30 am, 0% cancelled 75%
  5. WN 4312 11:30 am, 0% cancelled 71%
  6. WN 824 1:55 pm, 0% cancelled 60%
  7. WN 3912 4:00 pm, 0% cancelled 44%
  8. WN 3831 5:30 pm, 0% cancelled 38%
  9. WN 3913 6:40 pm, 0% cancelled 44%
  10. WN 3832 8:45 pm, 0% cancelled 46%
  11. WN 3914 10:35 pm, 0% cancelled 58%

What time should I fly? The 6 am departures.

96% landed on time; at 5 pm, 47%. Tuesday was the best day, Monday the worst.

Flight records,

DepartsLanded on time
5 am90%
6 am96%
7 am93%
8 am82%
9 am84%
10 am82%
11 am81%
12 pm82%
1 pm81%
2 pm79%
3 pm68%
4 pm54%
5 pm47%
6 pm56%
7 pm74%
8 pm71%
9 pm65%
10 pm52%

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.