Airports AirportPace Search

Flight records through . Security counts through .

Which IAD to SMF flight is punctual? United 2435, 5:55 pm.

71% on time across 92 flights in the last 3 months, 3.3% cancelled.

  • UA 2435

    71%

    on time

    5:55 pm

    3% cancelled

1 regular flight, June to August 2026.

When do the flights leave? One regular flight, at 5:55 pm.

UA 2435 was cancelled most often, 3% of the time.

Flight records,

  1. UA 2435 5:55 pm, 3% cancelled 71%

What time should I fly? The 7 pm departures.

86% landed on time; at 6 pm, 64%. Tuesday was the best day, Sunday the worst.

Flight records,

Share of IAD to SMF flights landing less than 15 minutes late, by scheduled departure hour
DepartsBarLanded on time
5 pm78%
6 pm64%
7 pm86%

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.