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Flight records through . Security counts through .

Which COS to DEN flight is punctual? Southwest 1220, 5:45 am.

96% on time across 51 flights in the last 3 months, never cancelled.

Find your flightCOS security
DepartsFlightOn time
5:45 amWN 122096%
7:00 amUA 469695%
7:45 amUA 467793%
7:20 amWN 119293%
11:31 amUA 467592%
6:00 amUA 529191%
10:23 amUA 540089%
5:30 amUA 555988%
8 of 23 regular flights, ranked by arrivals on time, June to August 2026.

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

United landed on time 81% of the time, Southwest 77%.

Flight records,

  • United

    81%

    on time

    1.4% cancelled

  • Southwest

    77%

    on time

    0.3% cancelled

When do the flights leave? 23 regular flights, 5:30 am to 6:32 pm.

UA 265 was cancelled most often, 4% of the time.

Flight records,

  1. UA 4682 5:30 am, 0% cancelled 86%
  2. UA 4697 5:30 am, 0% cancelled 81%
  3. UA 5559 5:30 am, 0% cancelled 88%
  4. UA 5291 6:00 am, 0% cancelled 91%
  5. UA 4696 7:00 am, 0% cancelled 95%
  6. UA 4677 7:45 am, 0% cancelled 93%
  7. UA 4691 8:38 am, 0% cancelled 81%
  8. UA 4725 8:45 am, 0% cancelled 86%
  9. UA 5634 9:20 am, 0% cancelled 87%
  10. UA 5400 10:23 am, 0% cancelled 89%
  11. UA 4675 11:31 am, 0% cancelled 92%
  12. UA 5620 12:56 pm, 0% cancelled 76%
  13. UA 730 1:30 pm, 0% cancelled 71%
  14. UA 4647 1:49 pm, 0% cancelled 77%
  15. UA 4657 3:02 pm, 3% cancelled 49%
  16. UA 265 3:42 pm, 4% cancelled 54%
  17. UA 4645 5:07 pm, 0% cancelled 58%
  18. UA 4719 5:07 pm, 3% cancelled 55%
  19. UA 5391 6:32 pm, 3% cancelled 54%
  1. WN 1220 5:45 am, 0% cancelled 96%
  2. WN 1192 7:20 am, 0% cancelled 93%
  3. WN 4325 11:10 am, 0% cancelled 69%
  4. WN 1222 4:55 pm, 0% cancelled 36%

What time should I fly? The 6 am departures.

92% landed on time; at 5 pm, 59%. Saturday was the best day, Friday the worst.

Flight records,

DepartsLanded on time
5 am91%
6 am92%
7 am90%
8 am85%
9 am85%
10 am86%
11 am80%
12 pm85%
1 pm83%
3 pm65%
4 pm61%
5 pm59%
6 pm68%

When is COS security busiest? 6 am, then 11 am.

Calmest around 5 pm. Colorado Springs 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

Tuesday, 6 am

510

people screened, all terminals.