Airports AirportPace Search

Flight records through . Security counts through .

Which IAD to LAS flight is punctual? United 1323, 9 am.

96% on time across 22 flights in the last 3 months, never cancelled.

IAD to LAS flights that landed on time most often
DepartsFlightOn time
9:00 amUA 132396%
1:00 pmUA 215687%
8:10 pmUA 176469%
9:50 amF9 427759%
4 of 4 regular flights, ranked by arrivals on time, June to August 2026.

When do the flights leave? 4 regular flights, 9 am to 8:10 pm.

F9 4277 was cancelled most often, 1% of the time.

Flight records,

  1. UA 1323 9:00 am, 0% cancelled 96%
  2. UA 2156 1:00 pm, 0% cancelled 87%
  3. UA 1764 8:10 pm, 0% cancelled 69%

What time should I fly? The 1 pm departures.

90% landed on time; at 8 pm, 74%. Wednesday was the best day, Sunday the worst.

Flight records,

Share of IAD to LAS flights landing less than 15 minutes late, by scheduled departure hour
DepartsBarLanded on time
8 am88%
9 am84%
12 pm87%
1 pm90%
7 pm87%
8 pm74%

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.