Airports AirportPace Search

Flight records through . Security counts through .

Which IAD to RDU flight is punctual? United 1536, 8:21 am.

91% on time across 45 flights in the last 3 months, never cancelled.

IAD to RDU flights that landed on time most often
DepartsFlightOn time
8:21 amUA 153691%
5:40 pmUA 406690%
12:50 pmUA 404581%
12:50 pmUA 405575%
8:21 amUA 52972%
10:25 pmUA 238272%
5:30 pmUA 362463%
7 of 7 regular flights, ranked by arrivals on time, June to August 2026.

When do the flights leave? 7 regular flights, 8:21 am to 10:25 pm.

UA 3624 was cancelled most often, 7% of the time.

Flight records,

  1. UA 1536 8:21 am, 0% cancelled 91%
  2. UA 529 8:21 am, 2% cancelled 72%
  3. UA 4045 12:50 pm, 0% cancelled 81%
  4. UA 4055 12:50 pm, 0% cancelled 75%
  5. UA 3624 5:30 pm, 7% cancelled 63%
  6. UA 4066 5:40 pm, 5% cancelled 90%
  7. UA 2382 10:25 pm, 2% cancelled 72%

What time should I fly? The 8 am departures.

87% landed on time; at 5 pm, 76%. Tuesday was the best day, Sunday the worst.

Flight records,

Share of IAD to RDU flights landing less than 15 minutes late, by scheduled departure hour
DepartsBarLanded on time
8 am87%
12 pm84%
5 pm76%
10 pm79%

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

Calmest around 9 am. Washington IAD security, hour by hour.

Security counts,

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

Thursday, 4 pm

4,000

people screened, all terminals.