Airports AirportPace Search

Flight records through . Security counts through .

Which HOU to ONT flight is punctual? Southwest 4391, 7:45 am.

78% on time across 27 flights in the last 3 months, never cancelled.

  • WN 4391

    78%

    on time

    7:45 am

    0% cancelled

1 regular flight, June to August 2026.

When do the flights leave? One regular flight, at 7:45 am.

None was cancelled in the last 3 months.

Flight records,

  1. WN 4391 7:45 am, 0% cancelled 78%

What time should I fly? The 8 am departures.

91% landed on time; at 9 pm, 61%. Thursday was the best day, Sunday the worst.

Flight records,

Share of HOU to ONT flights landing less than 15 minutes late, by scheduled departure hour
DepartsBarLanded on time
7 am83%
8 am91%
2 pm77%
3 pm82%
9 pm61%

When is HOU security busiest? 6 to 7 am, then 1 pm.

Calmest around 5 pm. Houston HOU security, hour by hour.

Security counts,

People screened per hour at HOU checkpoints, by weekday and hour; choose a cell to read it
4a8a12p4p8p
Mon
Tue
Wed
Thu
Fri
Sat
Sun
People screened per hour at HOU checkpoints, by weekday and hour; choose a cell to read it
MonTueWedThuFriSatSun
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p

Monday, 6 am

1,460

people screened, all terminals.