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Flight records through . Security counts through .

Which DEN to ATL flight is punctual? Delta 341, 5:45 am.

96% on time across 92 flights in the last 3 months, 2.2% cancelled.

Find your flightDEN security
DepartsFlightOn time
5:45 amDL 34196%
7:15 amDL 43194%
10:01 amUA 72490%
6:30 amF9 329487%
12:40 amDL 30283%
2:15 pmDL 70676%
3:15 pmDL 95774%
9:39 amDL 223574%
8 of 21 regular flights, ranked by arrivals on time, June to August 2026.

Which airline is most reliable? Delta, ahead of United.

Delta landed on time 84% of the time, United 77%.

Flight records,

  • Delta

    84%

    on time

    1.2% cancelled

  • United

    77%

    on time

    0.3% cancelled

  • Frontier

    74%

    on time

    0.9% cancelled

When do the flights leave? 21 regular flights, 12:40 am to 11:46 pm.

F9 1450 was cancelled most often, 4% of the time.

Flight records,

  1. DL 302 12:40 am, 0% cancelled 83%
  2. DL 341 5:45 am, 2% cancelled 96%
  3. DL 431 7:15 am, 1% cancelled 94%
  4. DL 2235 9:39 am, 0% cancelled 74%
  5. DL 346 10:58 am, 1% cancelled 74%
  6. DL 824 1:15 pm, 1% cancelled 73%
  7. DL 706 2:15 pm, 2% cancelled 76%
  8. DL 957 3:15 pm, 0% cancelled 74%
  9. DL 840 4:43 pm, 1% cancelled 64%
  1. UA 2424 10:00 am, 1% cancelled 69%
  2. UA 724 10:01 am, 0% cancelled 90%
  3. UA 1671 1:26 pm, 0% cancelled 70%
  4. UA 1305 5:48 pm, 0% cancelled 53%
  1. F9 3294 6:30 am, 0% cancelled 87%
  2. F9 3600 9:58 am, 0% cancelled 50%
  3. F9 1450 11:46 pm, 4% cancelled 59%
  1. WN 2258 10:45 am, 0% cancelled 61%
  2. WN 479 11:05 am, 0% cancelled 42%
  3. WN 4170 2:35 pm, 0% cancelled 30%
  4. WN 2145 2:40 pm, 0% cancelled 25%
  5. WN 1472 7:05 pm, 2% cancelled 12%

What time should I fly? The 5 am departures.

94% landed on time; at 7 pm, 39%. Wednesday was the best day, Sunday the worst.

Flight records,

DepartsLanded on time
12 am90%
5 am94%
6 am89%
7 am92%
8 am91%
9 am77%
10 am78%
11 am74%
12 pm86%
1 pm78%
2 pm74%
3 pm72%
4 pm75%
5 pm67%
6 pm40%
7 pm39%
8 pm51%
11 pm61%

When is DEN security busiest? 8 to 9 every morning.

Calmest around 5 pm. Denver 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, 9 am

6,760

people screened, all terminals.