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Flight records through . Security counts through .

Which DEN to STL flight is punctual? Southwest 1373, 7:20 am.

93% on time across 43 flights in the last 3 months, never cancelled.

Find your flightDEN security
DepartsFlightOn time
7:20 amWN 137393%
10:05 amWN 175392%
6:15 amWN 175190%
9:35 amUA 65285%
1:25 pmUA 163982%
1:00 pmWN 315274%
4:45 pmWN 203571%
4:10 pmF9 330266%
8 of 13 regular flights, ranked by arrivals on time, June to August 2026.

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

United landed on time 78% of the time, Southwest 76%.

Flight records,

  • United

    78%

    on time

    0.4% cancelled

  • Southwest

    76%

    on time

    0.5% cancelled

When do the flights leave? 13 regular flights, 6:15 am to 8:45 pm.

WN 1756 was cancelled most often, 6% of the time.

Flight records,

  1. UA 652 9:35 am, 1% cancelled 85%
  2. UA 1639 1:25 pm, 0% cancelled 82%
  3. UA 1422 5:34 pm, 1% cancelled 48%
  4. UA 214 8:45 pm, 0% cancelled 57%
  1. WN 1751 6:15 am, 0% cancelled 90%
  2. WN 1373 7:20 am, 0% cancelled 93%
  3. WN 1753 10:05 am, 0% cancelled 92%
  4. WN 3152 1:00 pm, 0% cancelled 74%
  5. WN 3130 3:40 pm, 0% cancelled 63%
  6. WN 2035 4:45 pm, 4% cancelled 71%
  7. WN 1756 7:30 pm, 6% cancelled 38%
  8. WN 3317 8:45 pm, 0% cancelled 42%

What time should I fly? The 8 am departures.

96% landed on time; at 7 pm, 48%. Tuesday was the best day, Monday the worst.

Flight records,

DepartsLanded on time
5 am95%
6 am94%
7 am94%
8 am96%
9 am87%
10 am85%
11 am85%
12 pm76%
1 pm84%
2 pm74%
3 pm65%
4 pm68%
5 pm65%
6 pm66%
7 pm48%
8 pm61%

When is DEN security busiest? 8 to 9 every morning.

Calmest around 5 pm. Denver 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, 9 am

6,760

people screened, all terminals.