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Flight records through . Security counts through .

Which STL to MSP flight is punctual? Southwest 3961, 8:15 am.

86% on time across 36 flights in the last 3 months, never cancelled.

Find your flightSTL security
DepartsFlightOn time
8:15 amWN 396186%
6:21 amDL 159786%
11:18 amDL 318885%
8:35 amWN 452282%
8:48 amDL 532578%
5:36 pmDL 318570%
8:55 pmWN 320267%
3:57 pmDL 416765%
8 of 9 regular flights, ranked by arrivals on time, June to August 2026.

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

Delta landed on time 81% of the time, Southwest 74%.

Flight records,

  • Delta

    81%

    on time

    1.2% cancelled

  • Southwest

    74%

    on time

    0.3% cancelled

When do the flights leave? 9 regular flights, 6:21 am to 9:45 pm.

DL 3188 was cancelled most often, 3% of the time.

Flight records,

  1. DL 1597 6:21 am, 1% cancelled 86%
  2. DL 5325 8:48 am, 0% cancelled 78%
  3. DL 3188 11:18 am, 3% cancelled 85%
  4. DL 4167 3:57 pm, 0% cancelled 65%
  5. DL 3185 5:36 pm, 1% cancelled 70%
  1. WN 3961 8:15 am, 0% cancelled 86%
  2. WN 4522 8:35 am, 0% cancelled 82%
  3. WN 3202 8:55 pm, 0% cancelled 67%
  4. WN 4880 9:45 pm, 2% cancelled 47%

What time should I fly? The 6 am departures.

90% landed on time; at 10 pm, 48%. Wednesday was the best day, Monday the worst.

Flight records,

DepartsLanded on time
6 am90%
8 am87%
9 am88%
10 am88%
11 am85%
12 pm78%
3 pm70%
5 pm78%
8 pm75%
9 pm50%
10 pm48%

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.