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Flight records through . Security counts through .

Which SAT to IAH flight is punctual? United 2821, 9:30 am.

100% on time across 21 flights in the last 3 months, never cancelled.

Find your flightSAT security
DepartsFlightOn time
9:30 amUA 2821100%
5:30 amUA 46997%
5:59 pmUA 46590%
7:43 amUA 41089%
11:43 amUA 627888%
7:20 pmUA 565888%
9:37 amUA 282783%
2:15 pmUA 628180%
8 of 11 regular flights, ranked by arrivals on time, June to August 2026.

When do the flights leave? 11 regular flights, 5:30 am to 7:20 pm.

UA 6278 was cancelled most often, 1% of the time.

Flight records,

  1. UA 469 5:30 am, 0% cancelled 97%
  2. UA 410 7:43 am, 0% cancelled 89%
  3. UA 2821 9:30 am, 0% cancelled 100%
  4. UA 1687 9:37 am, 0% cancelled 71%
  5. UA 2827 9:37 am, 0% cancelled 83%
  6. UA 6278 11:43 am, 1% cancelled 88%
  7. UA 6281 2:15 pm, 0% cancelled 80%
  8. UA 404 4:18 pm, 0% cancelled 75%
  9. UA 2323 5:57 pm, 0% cancelled 68%
  10. UA 465 5:59 pm, 0% cancelled 90%
  11. UA 5658 7:20 pm, 0% cancelled 88%

What time should I fly? The 5 am departures.

93% landed on time; at 4 pm, 74%. Tuesday was the best day, Thursday the worst.

Flight records,

DepartsLanded on time
5 am93%
7 am79%
9 am83%
11 am91%
2 pm85%
4 pm74%
5 pm78%
6 pm77%
7 pm89%

When is SAT security busiest? 5 am, every morning.

Calmest around 5 pm. San Antonio 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, 5 am

1,810

people screened, all terminals.