Airports AirportPace Search

Flight records through . Security counts through .

Which PDX to SEA flight is punctual? Alaska 499, 6:19 am.

98% on time across 92 flights in the last 3 months, never cancelled.

PDX to SEA flights that landed on time most often
DepartsFlightOn time
6:19 amAS 49998%
5:30 amDL 400896%
7:19 amAS 242096%
5:00 amAS 243193%
8:19 amAS 210889%
7:05 amDL 447188%
11:20 amDL 381887%
3:25 pmDL 406287%
8 of 21 regular flights, ranked by arrivals on time, June to August 2026.

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

Delta landed on time 87% of the time, Alaska 81%.

Flight records,

  • Delta

    87%

    on time

    0.3% cancelled

  • Alaska

    81%

    on time

    1.0% cancelled

When do the flights leave? 21 regular flights, 5 am to 9:30 pm.

AS 427 was cancelled most often, 4% of the time.

Flight records,

  1. DL 4008 5:30 am, 0% cancelled 96%
  2. DL 4471 7:05 am, 0% cancelled 88%
  3. DL 3953 9:29 am, 0% cancelled 79%
  4. DL 3818 11:20 am, 0% cancelled 87%
  5. DL 3802 12:23 pm, 0% cancelled 74%
  6. DL 4062 3:25 pm, 0% cancelled 87%
  7. DL 3918 5:50 pm, 0% cancelled 79%
  8. DL 3923 8:24 pm, 0% cancelled 68%
  1. AS 2431 5:00 am, 1% cancelled 93%
  2. AS 499 6:19 am, 0% cancelled 98%
  3. AS 2420 7:19 am, 1% cancelled 96%
  4. AS 2190 8:07 am, 0% cancelled 76%
  5. AS 2108 8:19 am, 1% cancelled 89%
  6. AS 427 9:19 am, 4% cancelled 46%
  7. AS 3431 10:35 am, 0% cancelled 74%
  8. AS 3078 12:03 pm, 1% cancelled 81%
  9. AS 2205 1:48 pm, 0% cancelled 63%
  10. AS 3408 3:30 pm, 1% cancelled 70%
  11. AS 430 5:30 pm, 0% cancelled 74%
  12. AS 2313 7:38 pm, 0% cancelled 44%
  13. AS 2421 9:30 pm, 0% cancelled 80%

What time should I fly? The 5 am departures.

94% landed on time; at 6 pm, 63%. Saturday was the best day, Thursday the worst.

Flight records,

Share of PDX to SEA flights landing less than 15 minutes late, by scheduled departure hour
DepartsBarLanded on time
5 am94%
6 am92%
7 am88%
8 am86%
9 am75%
10 am86%
11 am90%
12 pm81%
1 pm82%
2 pm86%
3 pm83%
4 pm75%
5 pm82%
6 pm63%
7 pm75%
8 pm76%
9 pm85%
10 pm89%

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

Calmest around 5 pm. Portland PDX security, hour by hour.

Security counts,

People screened per hour at PDX checkpoints, by weekday and hour; choose a cell to read it
4a8a12p4p8p
Mon
Tue
Wed
Thu
Fri
Sat
Sun
People screened per hour at PDX 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

Friday, 9 am

2,760

people screened, all terminals.