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Flight records through . Security counts through .

Which ONT to DEN flight is punctual? United 2446, 5 am.

97% on time across 92 flights in the last 3 months, never cancelled.

Find your flightONT security
DepartsFlightOn time
5:00 amUA 244697%
5:50 amWN 314497%
8:00 amWN 314595%
6:00 amF9 150092%
10:49 amF9 290885%
1:18 pmUA 126367%
12:25 pmWN 307650%
12:50 pmWN 314637%
8 of 9 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 86% of the time, Frontier 86%.

Flight records,

  • United

    86%

    on time

    0.4% cancelled

  • Frontier

    86%

    on time

    0.7% cancelled

  • Southwest

    76%

    on time

    0.2% cancelled

When do the flights leave? 9 regular flights, 5 am to 2:30 pm.

F9 1500 was cancelled most often, 2% of the time.

Flight records,

  1. UA 2446 5:00 am, 0% cancelled 97%
  2. UA 1263 1:18 pm, 0% cancelled 67%
  1. F9 1500 6:00 am, 2% cancelled 92%
  2. F9 2908 10:49 am, 0% cancelled 85%
  1. WN 3144 5:50 am, 0% cancelled 97%
  2. WN 3145 8:00 am, 0% cancelled 95%
  3. WN 3076 12:25 pm, 0% cancelled 50%
  4. WN 3146 12:50 pm, 0% cancelled 37%
  5. WN 3147 2:30 pm, 0% cancelled 25%

What time should I fly? The 5 am departures.

95% landed on time; at 12 pm, 54%. Sunday was the best day, Wednesday the worst.

Flight records,

DepartsLanded on time
12 am87%
5 am95%
6 am89%
7 am89%
8 am94%
9 am90%
10 am83%
11 am74%
12 pm54%
1 pm76%
2 pm57%
3 pm63%
4 pm58%
6 pm78%
8 pm88%

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

Calmest around 5 pm. Ontario 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

Monday, 5 am

1,420

people screened, all terminals.