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Flight records through . Security counts through .

Which PDX to ORD flight is punctual? Alaska 376, 10:59 pm.

94% on time across 68 flights in the last 3 months, never cancelled.

Find your flightPDX security
DepartsFlightOn time
10:59 pmAS 37694%
10:40 pmUA 209491%
5:59 amAA 332989%
11:40 pmUA 149086%
11:34 pmAA 318585%
10:46 amUA 164183%
7:00 amUA 230680%
10:51 amUA 226579%
8 of 17 regular flights, ranked by arrivals on time, June to August 2026.

Which airline is most reliable? United, ahead of Alaska.

United landed on time 80% of the time, Alaska 77%.

Flight records,

  • United

    80%

    on time

    0.7% cancelled

  • Alaska

    77%

    on time

    1.4% cancelled

  • American

    74%

    on time

    1.2% cancelled

When do the flights leave? 17 regular flights, 5:59 am to 11:40 pm.

AA 3303 was cancelled most often, 5% of the time.

Flight records,

  1. UA 2306 7:00 am, 4% cancelled 80%
  2. UA 2822 8:15 am, 0% cancelled 76%
  3. UA 1923 10:35 am, 0% cancelled 57%
  4. UA 1641 10:46 am, 0% cancelled 83%
  5. UA 2265 10:51 am, 0% cancelled 79%
  6. UA 2336 2:25 pm, 0% cancelled 64%
  7. UA 2094 10:40 pm, 0% cancelled 91%
  8. UA 1490 11:40 pm, 1% cancelled 86%
  1. AS 324 7:00 am, 1% cancelled 67%
  2. AS 376 10:59 pm, 0% cancelled 94%
  1. AA 3329 5:59 am, 0% cancelled 89%
  2. AA 2933 6:07 am, 2% cancelled 78%
  3. AA 2284 11:20 am, 0% cancelled 65%
  4. AA 2515 12:24 pm, 0% cancelled 70%
  5. AA 3303 1:45 pm, 5% cancelled 46%
  6. AA 2977 11:15 pm, 0% cancelled 62%
  7. AA 3185 11:34 pm, 4% cancelled 85%

What time should I fly? The 8 am departures.

88% landed on time; at 3 pm, 55%. Wednesday was the best day, Sunday the worst.

Flight records,

DepartsLanded on time
6 am86%
7 am79%
8 am88%
10 am76%
11 am72%
12 pm62%
1 pm64%
2 pm65%
3 pm55%
10 pm87%
11 pm84%

When is PDX security busiest? 5 to 6 am, then 9 am.

Calmest around 5 pm. Portland PDX 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, 9 am

2,760

people screened, all terminals.