Airports AirportPace Search

Flight records through . Security counts through .

Which IAD to LGA flight is punctual? United 6116, 8:19 am.

83% on time across 70 flights in the last 3 months, 2.9% cancelled.

Find your flightIAD security
DepartsFlightOn time
8:19 amUA 611683%
8:18 amUA 399976%
5:15 pmUA 400571%
12:40 pmUA 400467%
10:05 pmUA 341367%
10:09 pmUA 401267%
12:40 pmUA 369858%
5:15 pmUA 407755%
8 of 9 regular flights, ranked by arrivals on time, June to August 2026.

When do the flights leave? 9 regular flights, 8:18 am to 10:09 pm.

UA 4077 was cancelled most often, 18% of the time.

Flight records,

  1. UA 3999 8:18 am, 0% cancelled 76%
  2. UA 6116 8:19 am, 3% cancelled 83%
  3. UA 3698 12:40 pm, 6% cancelled 58%
  4. UA 4004 12:40 pm, 5% cancelled 67%
  5. UA 4005 5:15 pm, 5% cancelled 71%
  6. UA 4077 5:15 pm, 18% cancelled 55%
  7. UA 3413 10:05 pm, 10% cancelled 67%
  8. UA 3682 10:05 pm, 15% cancelled 50%
  9. UA 4012 10:09 pm, 5% cancelled 67%

What time should I fly? The 8 am departures.

77% landed on time; at 12 pm, 64%. Saturday was the best day, Sunday the worst.

Flight records,

DepartsLanded on time
8 am77%
12 pm64%
5 pm64%
10 pm68%

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.