Airports AirportPace Search

Flight records through . Security counts through .

Which IAD to ALB flight is punctual? United 4812, 8:35 am.

77% on time across 92 flights in the last 3 months, never cancelled.

Find your flightIAD security
DepartsFlightOn time
8:35 amUA 481277%
12:40 pmUA 431777%
10:10 pmUA 432164%
5:30 pmUA 492658%
4 of 4 regular flights, ranked by arrivals on time, June to August 2026.

When do the flights leave? 4 regular flights, 8:35 am to 10:10 pm.

UA 4926 was cancelled most often, 6% of the time.

Flight records,

  1. UA 4812 8:35 am, 0% cancelled 77%
  2. UA 4317 12:40 pm, 3% cancelled 77%
  3. UA 4926 5:30 pm, 6% cancelled 58%
  4. UA 4321 10:10 pm, 6% cancelled 64%

What time should I fly? The 12 pm departures.

79% landed on time; at 5 pm, 68%. Wednesday was the best day, Sunday the worst.

Flight records,

DepartsLanded on time
8 am77%
12 pm79%
5 pm68%
10 pm77%

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.