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Flight records through . Security counts through .

Which ONT to SLC flight is punctual? Delta 3974, 9:43 am.

100% on time across 24 flights in the last 3 months, never cancelled.

Find your flightONT security
DepartsFlightOn time
9:43 amDL 3974100%
9:40 amDL 130298%
6:00 amDL 270891%
1:00 pmDL 317290%
5:21 pmDL 444388%
5 of 5 regular flights, ranked by arrivals on time, June to August 2026.

When do the flights leave? 5 regular flights, 6 am to 5:21 pm.

DL 3172 was cancelled most often, 1% of the time.

Flight records,

  1. DL 2708 6:00 am, 0% cancelled 91%
  2. DL 1302 9:40 am, 0% cancelled 98%
  3. DL 3974 9:43 am, 0% cancelled 100%
  4. DL 3172 1:00 pm, 1% cancelled 90%
  5. DL 4443 5:21 pm, 0% cancelled 88%

What time should I fly? The 9 am departures.

97% landed on time; at 1 pm, 85%. Tuesday was the best day, Thursday the worst.

Flight records,

DepartsLanded on time
6 am94%
9 am97%
1 pm85%
4 pm92%
5 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.