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Flight records through . Security counts through .

Which COS to SLC flight is punctual? Delta 3940, 8:10 am.

90% on time across 92 flights in the last 3 months, never cancelled.

Find your flightCOS security

  • DL 3940

    90%

    on time

    8:10 am

    0% cancelled

  • DL 4449

    79%

    on time

    6:16 pm

    0% cancelled

2 regular flights, June to August 2026.

When do the flights leave? 2 regular flights, 8:10 am to 6:16 pm.

None was cancelled in the last 3 months.

Flight records,

  1. DL 3940 8:10 am, 0% cancelled 90%
  2. DL 4449 6:16 pm, 0% cancelled 79%

What time should I fly? The 11 am departures.

96% landed on time; at 6 pm, 80%. Monday was the best day, Sunday the worst.

Flight records,

DepartsLanded on time
7 am95%
8 am95%
11 am96%
12 pm93%
5 pm91%
6 pm80%

When is COS security busiest? 6 am, then 11 am.

Calmest around 5 pm. Colorado Springs 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

Tuesday, 6 am

510

people screened, all terminals.