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Flight records through . Security counts through .

Which PDX to MDW flight is punctual? Southwest 3131, 11:30 pm.

89% on time across 28 flights in the last 3 months, never cancelled.

Find your flightPDX security
DepartsFlightOn time
11:30 pmWN 313189%
11:30 pmWN 320388%
6:00 amWN 114885%
6:15 amWN 313075%
11:50 amWN 320258%
5 of 5 regular flights, ranked by arrivals on time, June to August 2026.

When do the flights leave? 5 regular flights, 6 am to 11:30 pm.

WN 3203 was cancelled most often, 2% of the time.

Flight records,

  1. WN 1148 6:00 am, 0% cancelled 85%
  2. WN 3130 6:15 am, 0% cancelled 75%
  3. WN 3202 11:50 am, 0% cancelled 58%
  4. WN 3131 11:30 pm, 0% cancelled 89%
  5. WN 3203 11:30 pm, 2% cancelled 88%

What time should I fly? The 6 am departures.

94% landed on time; at 11 am, 66%. Saturday was the best day, Friday the worst.

Flight records,

DepartsLanded on time
5 am92%
6 am94%
11 am66%
1 pm86%
11 pm90%

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.