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Flight records through . Security counts through .

Which DAL to COS flight is punctual? Southwest 3257, 11:05 am.

72% on time across 36 flights in the last 3 months, never cancelled.

Find your flightDAL security

  • WN 3257

    72%

    on time

    11:05 am

    0% cancelled

  • WN 4786

    42%

    on time

    7:20 pm

    0% cancelled

2 regular flights, June to August 2026.

When do the flights leave? 2 regular flights, 11:05 am to 7:20 pm.

None was cancelled in the last 3 months.

Flight records,

  1. WN 3257 11:05 am, 0% cancelled 72%
  2. WN 4786 7:20 pm, 0% cancelled 42%

What time should I fly? The 8 am departures.

96% landed on time; at 7 pm, 43%. Wednesday was the best day, Sunday the worst.

Flight records,

DepartsLanded on time
8 am96%
9 am92%
10 am93%
11 am84%
12 pm86%
3 pm68%
6 pm78%
7 pm43%
8 pm57%
9 pm56%

When is DAL security busiest? 5 to 7 every morning.

Calmest around 5 pm. Dallas 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

Friday, 5 am

1,690

people screened, all terminals.