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Flight records through . Security counts through .

Which STL to IAH flight is punctual? United 4579, 8:35 am.

88% on time across 40 flights in the last 3 months, never cancelled.

Find your flightSTL security
DepartsFlightOn time
8:35 amUA 457988%
6:14 amUA 628387%
11:10 amUA 621381%
6:30 pmUA 628472%
8:35 amUA 402871%
2:57 pmUA 558067%
6 of 6 regular flights, ranked by arrivals on time, June to August 2026.

When do the flights leave? 6 regular flights, 6:14 am to 6:30 pm.

UA 4028 was cancelled most often, 3% of the time.

Flight records,

  1. UA 6283 6:14 am, 0% cancelled 87%
  2. UA 4028 8:35 am, 3% cancelled 71%
  3. UA 4579 8:35 am, 0% cancelled 88%
  4. UA 6213 11:10 am, 0% cancelled 81%
  5. UA 5580 2:57 pm, 0% cancelled 67%
  6. UA 6284 6:30 pm, 0% cancelled 72%

What time should I fly? The 10 am departures.

86% landed on time; at 2 pm, 66%. Tuesday was the best day, Saturday the worst.

Flight records,

DepartsLanded on time
6 am83%
8 am85%
10 am86%
11 am84%
2 pm66%
4 pm81%
5 pm85%
6 pm74%

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.