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Flight records through . Security counts through .

Which DEN to SAN flight is punctual? Southwest 4331, 7:05 am.

98% on time across 52 flights in the last 3 months, never cancelled.

Find your flightDEN security
DepartsFlightOn time
7:05 amWN 433198%
6:00 amAS 161793%
8:15 amWN 169987%
7:43 amUA 230986%
7:40 amF9 242183%
10:40 amWN 170077%
9:00 amWN 165771%
11:32 amAS 161871%
8 of 21 regular flights, ranked by arrivals on time, June to August 2026.

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

Frontier landed on time 79% of the time, United 78%.

Flight records,

  • Frontier

    79%

    on time

    1.4% cancelled

  • United

    78%

    on time

    0.3% cancelled

  • Alaska

    75%

    on time

    2.0% cancelled

When do the flights leave? 21 regular flights, 6 am to 10:29 pm.

WN 4022 was cancelled most often, 11% of the time.

Flight records,

  1. F9 2421 7:40 am, 2% cancelled 83%
  2. F9 4989 10:29 pm, 3% cancelled 64%
  1. UA 2309 7:43 am, 0% cancelled 86%
  2. UA 1940 11:15 am, 0% cancelled 64%
  3. UA 1302 1:30 pm, 0% cancelled 71%
  4. UA 1281 3:55 pm, 0% cancelled 67%
  5. UA 540 7:20 pm, 0% cancelled 40%
  6. UA 1835 9:00 pm, 0% cancelled 41%
  1. AS 1617 6:00 am, 0% cancelled 93%
  2. AS 1618 11:32 am, 1% cancelled 71%
  3. AS 3020 7:59 pm, 9% cancelled 25%
  1. WN 4331 7:05 am, 0% cancelled 98%
  2. WN 1699 8:15 am, 0% cancelled 87%
  3. WN 1657 9:00 am, 0% cancelled 71%
  4. WN 1658 10:30 am, 0% cancelled 14%
  5. WN 1700 10:40 am, 2% cancelled 77%
  6. WN 3503 12:55 pm, 0% cancelled 44%
  7. WN 4160 4:55 pm, 0% cancelled 39%
  8. WN 1703 8:30 pm, 0% cancelled 18%
  9. WN 4022 8:40 pm, 11% cancelled 29%
  10. WN 1704 9:50 pm, 0% cancelled 51%

What time should I fly? The 5 am departures.

94% landed on time; at 7 pm, 54%. Saturday was the best day, Thursday the worst.

Flight records,

DepartsLanded on time
5 am94%
6 am90%
7 am90%
8 am87%
9 am76%
10 am74%
11 am74%
12 pm71%
1 pm81%
2 pm67%
3 pm77%
4 pm56%
5 pm61%
6 pm66%
7 pm54%
8 pm60%
9 pm60%
10 pm73%

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.