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Flight records through . Security counts through .

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

Calmest around 5 pm. Choose any hour on the board.

People screened per hour at ONT checkpoints, by weekday and hour; choose a cell to read it
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People screened per hour at ONT 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
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11p

Monday, 5 am

1,420

people screened, 8-week average.

Which checkpoint is busiest? T4 and T2, by 5 am.

Every checkpoint peaks before noon.

Security counts,

  • T4

    5 am

    610 screened

  • T2

    5 am

    630 screened

Which departures leave on time? Leave in the morning.

5 am: 94% left on time. 8 pm: 62%.

Flight records,

Share of ONT departures leaving less than 15 minutes late, by scheduled hour
DepartsBarLeft on time
5 am94%
6 am93%
7 am91%
8 am88%
9 am87%
10 am82%
11 am81%
12 pm76%
1 pm74%
2 pm67%
3 pm70%
4 pm72%
5 pm77%
6 pm67%
7 pm71%
8 pm62%
9 pm66%
10 pm82%
11 pm75%

Which airline runs on time here? Southwest flies it.

Southwest flies 44% of ONT departures and landed on time 81% of the time.

Flight records,

  1. Southwest 11,643 flights, 0.4% cancelled 81%

Not ranked, under ten flights a day: Delta 90% of 3,205, Alaska 85% of 3,053, American 81% of 3,636, United 77% of 2,568, Frontier 74% of 2,284, JetBlue 61% of 165.

Where do ONT flights land late? San Francisco, Las Vegas, Dallas Fort Worth.

Lowest on-time rates of the 8 busiest.

Flight records,

ToFlightsOn time
PHX Phoenix3,01182%
DEN Denver2,62481%
SEA Seattle2,48885%
LAS Las Vegas2,46976%
DFW Dallas/Fort Worth2,27478%
SMF Sacramento2,11985%
OAK Oakland1,45086%
SFO San Francisco1,33560%