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Flight records through . Security counts through .

Which STL to ATL flight is punctual? Delta 1571, 9:15 am.

96% on time across 73 flights in the last 3 months, never cancelled.

Find your flightSTL security
DepartsFlightOn time
9:15 amDL 157196%
6:00 amDL 152496%
7:08 amDL 153696%
10:51 amDL 140094%
10:00 amWN 23693%
5:23 pmDL 179990%
10:10 amWN 379882%
12:52 pmDL 56681%
8 of 14 regular flights, ranked by arrivals on time, June to August 2026.

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

Delta landed on time 88% of the time, Southwest 78%.

Flight records,

  • Delta

    88%

    on time

    1.9% cancelled

  • Southwest

    78%

    on time

    1.1% cancelled

When do the flights leave? 14 regular flights, 6 am to 8:05 pm.

WN 3798 was cancelled most often, 4% of the time.

Flight records,

  1. DL 1524 6:00 am, 1% cancelled 96%
  2. DL 1536 7:08 am, 1% cancelled 96%
  3. DL 1571 9:15 am, 0% cancelled 96%
  4. DL 1400 10:51 am, 0% cancelled 94%
  5. DL 566 12:52 pm, 0% cancelled 81%
  6. DL 2700 3:39 pm, 0% cancelled 81%
  7. DL 1799 5:23 pm, 0% cancelled 90%
  8. DL 1393 7:12 pm, 3% cancelled 77%
  1. WN 236 10:00 am, 0% cancelled 93%
  2. WN 3798 10:10 am, 4% cancelled 82%
  3. WN 3882 4:25 pm, 2% cancelled 40%
  4. WN 3800 6:50 pm, 0% cancelled 50%
  5. WN 3883 8:05 pm, 0% cancelled 71%

What time should I fly? The 8 am departures.

95% landed on time; at 7 pm, 65%. Wednesday was the best day, Sunday the worst.

Flight records,

DepartsLanded on time
6 am92%
7 am92%
8 am95%
9 am92%
10 am90%
11 am86%
12 pm83%
1 pm82%
2 pm83%
3 pm80%
4 pm67%
5 pm78%
6 pm71%
7 pm65%
8 pm67%

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.