Airports AirportPace Search

Flight records through . Security counts through .

Which ORD to PDX flight is punctual? United 1994, 9 am.

92% on time across 71 flights in the last 3 months, never cancelled.

ORD to PDX flights that landed on time most often
DepartsFlightOn time
9:00 amUA 199492%
8:50 amUA 75190%
7:00 amUA 230086%
9:00 amAA 171378%
8:00 amAA 228477%
7:55 pmUA 63071%
1:30 pmUA 281770%
2:12 pmAS 32567%
8 of 19 regular flights, ranked by arrivals on time, June to August 2026.

Which airline is most reliable? United and Alaska, neck and neck.

United landed on time 71% of the time, Alaska 70%.

Flight records,

  • United

    71%

    on time

    0.6% cancelled

  • Alaska

    70%

    on time

    1.2% cancelled

  • American

    58%

    on time

    1.1% cancelled

When do the flights leave? 19 regular flights, 7 am to 10:15 pm.

UA 2243 was cancelled most often, 5% of the time.

Flight records,

  1. UA 2300 7:00 am, 0% cancelled 86%
  2. UA 751 8:50 am, 0% cancelled 90%
  3. UA 1994 9:00 am, 0% cancelled 92%
  4. UA 1525 1:30 pm, 0% cancelled 58%
  5. UA 1554 1:30 pm, 0% cancelled 67%
  6. UA 2817 1:30 pm, 2% cancelled 70%
  7. UA 1616 4:15 pm, 0% cancelled 54%
  8. UA 1677 4:15 pm, 3% cancelled 56%
  9. UA 2738 7:55 pm, 0% cancelled 63%
  10. UA 630 7:55 pm, 0% cancelled 71%
  11. UA 2243 8:12 pm, 5% cancelled 48%
  1. AS 413 7:20 am, 0% cancelled 59%
  2. AS 325 2:12 pm, 1% cancelled 67%
  1. AA 2284 8:00 am, 0% cancelled 77%
  2. AA 1713 9:00 am, 0% cancelled 78%
  3. AA 2545 12:10 pm, 0% cancelled 51%
  4. AA 1818 3:25 pm, 4% cancelled 48%
  5. AA 2977 7:20 pm, 2% cancelled 32%
  6. AA 1317 10:15 pm, 2% cancelled 46%

What time should I fly? The 6 am departures.

93% landed on time; at 9 pm, 41%. Tuesday was the best day, Sunday the worst.

Flight records,

Share of ORD to PDX flights landing less than 15 minutes late, by scheduled departure hour
DepartsBarLanded on time
6 am93%
7 am77%
8 am79%
9 am82%
11 am57%
12 pm69%
1 pm70%
2 pm68%
4 pm62%
5 pm62%
7 pm59%
8 pm61%
9 pm41%
10 pm56%

When is ORD security busiest? 5 to 7 am, then 12 to 4 pm.

Calmest around 10 am. Chicago ORD security, hour by hour.

Security counts,

People screened per hour at ORD checkpoints, by weekday and hour; choose a cell to read it
4a8a12p4p8p
Mon
Tue
Wed
Thu
Fri
Sat
Sun
People screened per hour at ORD 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, 6 am

7,840

people screened, all terminals.