Airports AirportPace Search

Flight records through . Security counts through .

Which IAD to PWM flight is punctual? United 3709, 12:47 pm.

95% on time across 21 flights in the last 3 months, never cancelled.

Find your flightIAD security
DepartsFlightOn time
12:47 pmUA 370995%
8:20 amUA 354891%
12:45 pmUA 353585%
5:30 pmUA 361979%
5:30 pmUA 365174%
10:10 pmUA 206468%
6 of 6 regular flights, ranked by arrivals on time, June to August 2026.

When do the flights leave? 6 regular flights, 8:20 am to 10:10 pm.

UA 3651 was cancelled most often, 17% of the time.

Flight records,

  1. UA 3548 8:20 am, 0% cancelled 91%
  2. UA 3535 12:45 pm, 7% cancelled 85%
  3. UA 3709 12:47 pm, 0% cancelled 95%
  4. UA 3619 5:30 pm, 0% cancelled 79%
  5. UA 3651 5:30 pm, 17% cancelled 74%
  6. UA 2064 10:10 pm, 0% cancelled 68%

What time should I fly? The 8 am departures.

88% landed on time; at 5 pm, 73%. Tuesday was the best day, Monday the worst.

Flight records,

DepartsLanded on time
8 am88%
12 pm87%
5 pm73%
10 pm74%

When is IAD security busiest? 3 to 4 pm daily.

Calmest around 9 am. Washington IAD 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

Thursday, 4 pm

4,000

people screened, all terminals.