Airports AirportPace Search

Flight records through . Security counts through .

Which SJC to ONT flight is punctual? Southwest 4879, 6:35 am.

97% on time across 61 flights in the last 3 months, 1.6% cancelled.

Find your flightSJC security
DepartsFlightOn time
6:35 amWN 487997%
10:50 amWN 315185%
4:40 pmWN 369152%
8:15 pmWN 369247%
4 of 4 regular flights, ranked by arrivals on time, June to August 2026.

When do the flights leave? 4 regular flights, 6:35 am to 8:15 pm.

WN 3151 was cancelled most often, 2% of the time.

Flight records,

  1. WN 4879 6:35 am, 2% cancelled 97%
  2. WN 3151 10:50 am, 2% cancelled 85%
  3. WN 3691 4:40 pm, 0% cancelled 52%
  4. WN 3692 8:15 pm, 0% cancelled 47%

What time should I fly? The 8 am departures.

99% landed on time; at 9 pm, 41%. Tuesday was the best day, Sunday the worst.

Flight records,

DepartsLanded on time
6 am97%
7 am98%
8 am99%
10 am88%
11 am85%
12 pm96%
1 pm85%
3 pm78%
4 pm73%
5 pm70%
6 pm70%
7 pm86%
8 pm62%
9 pm41%

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

Calmest around 5 pm. San Jose 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, 5 am

2,090

people screened, all terminals.