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Flight records through . Security counts through .

Which SAT to DEN flight is punctual? Southwest 3565, 5:45 am.

100% on time across 25 flights in the last 3 months, never cancelled.

Find your flightSAT security
DepartsFlightOn time
5:45 amWN 3565100%
5:30 amUA 545295%
5:40 amUA 146493%
5:20 amWN 147193%
2:20 pmWN 464692%
1:39 pmUA 100786%
6:25 amWN 348785%
9:05 amWN 157782%
8 of 14 regular flights, ranked by arrivals on time, June to August 2026.

Which airline is most reliable? United and Frontier, neck and neck.

United landed on time 83% of the time, Frontier 81%.

Flight records,

  • United

    83%

    on time

    0.6% cancelled

  • Frontier

    81%

    on time

    0.5% cancelled

  • Southwest

    80%

    on time

    0.4% cancelled

When do the flights leave? 14 regular flights, 5:20 am to 7:39 pm.

WN 3487 was cancelled most often, 10% of the time.

Flight records,

  1. UA 5452 5:30 am, 0% cancelled 95%
  2. UA 1464 5:40 am, 0% cancelled 93%
  3. UA 2853 8:53 am, 4% cancelled 79%
  4. UA 1007 1:39 pm, 0% cancelled 86%
  5. UA 2479 4:35 pm, 0% cancelled 57%
  1. F9 3707 7:39 pm, 1% cancelled 73%
  1. WN 1471 5:20 am, 0% cancelled 93%
  2. WN 3565 5:45 am, 0% cancelled 100%
  3. WN 3487 6:25 am, 10% cancelled 85%
  4. WN 1577 9:05 am, 0% cancelled 82%
  5. WN 1090 12:25 pm, 0% cancelled 77%
  6. WN 4678 2:10 pm, 0% cancelled 71%
  7. WN 4646 2:20 pm, 0% cancelled 92%
  8. WN 3568 6:30 pm, 0% cancelled 52%

What time should I fly? The 5 am departures.

96% landed on time; at 6 pm, 61%. Sunday was the best day, Monday the worst.

Flight records,

DepartsLanded on time
5 am96%
6 am91%
8 am84%
9 am86%
10 am91%
11 am84%
12 pm83%
1 pm84%
2 pm77%
3 pm81%
4 pm73%
5 pm65%
6 pm61%
7 pm70%
8 pm75%

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.