Airports AirportPace Search

Flight records through . Security counts through .

Which STL to SEA flight is punctual? Alaska 473, 6:02 am.

91% on time across 92 flights in the last 3 months, never cancelled.

Find your flightSTL security
DepartsFlightOn time
6:02 amAS 47391%
2:50 pmAS 61882%
7:56 pmAS 64769%
11:40 amWN 398143%
4 of 4 regular flights, ranked by arrivals on time, June to August 2026.

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

Alaska landed on time 82% of the time, Southwest 50%.

Flight records,

  • Alaska

    82%

    on time

    1.0% cancelled

  • Southwest

    50%

    on time

    0.0% cancelled

When do the flights leave? 4 regular flights, 6:02 am to 7:56 pm.

AS 647 was cancelled most often, 1% of the time.

Flight records,

  1. AS 473 6:02 am, 0% cancelled 91%
  2. AS 618 2:50 pm, 0% cancelled 82%
  3. AS 647 7:56 pm, 1% cancelled 69%
  1. WN 3981 11:40 am, 0% cancelled 43%

What time should I fly? The 6 am departures.

93% landed on time; at 11 am, 39%. Tuesday was the best day, Saturday the worst.

Flight records,

DepartsLanded on time
6 am93%
7 am85%
11 am39%
12 pm54%
2 pm83%
3 pm75%
4 pm80%
7 pm68%

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.