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Flight records through . Security counts through .

Which SLC to DEN flight is punctual? Southwest 3737, 5:35 am.

96% on time across 52 flights in the last 3 months, 1.9% cancelled.

Find your flightSLC security
DepartsFlightOn time
5:35 amWN 373796%
8:30 amUA 564296%
7:25 amWN 373895%
7:00 amUA 123294%
7:45 amDL 131794%
10:39 amUA 200493%
6:05 amF9 322093%
5:15 amUA 568392%
8 of 28 regular flights, ranked by arrivals on time, June to August 2026.

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

United landed on time 83% of the time, Delta 79%.

Flight records,

  • United

    83%

    on time

    0.5% cancelled

  • Delta

    79%

    on time

    0.2% cancelled

  • Frontier

    78%

    on time

    0.9% cancelled

When do the flights leave? 28 regular flights, 5:15 am to 10:50 pm.

WN 3737 was cancelled most often, 2% of the time.

Flight records,

  1. UA 5683 5:15 am, 0% cancelled 92%
  2. UA 1232 7:00 am, 0% cancelled 94%
  3. UA 5642 8:30 am, 0% cancelled 96%
  4. UA 2004 10:39 am, 0% cancelled 93%
  5. UA 2090 10:40 am, 0% cancelled 90%
  6. UA 4720 1:05 pm, 0% cancelled 90%
  7. UA 1662 2:28 pm, 0% cancelled 73%
  8. UA 1910 5:57 pm, 1% cancelled 64%
  9. UA 1943 6:03 pm, 0% cancelled 38%
  1. DL 1317 7:45 am, 0% cancelled 94%
  2. DL 1553 10:15 am, 0% cancelled 70%
  3. DL 1623 1:20 pm, 0% cancelled 76%
  4. DL 1586 6:30 pm, 0% cancelled 48%
  5. DL 1667 9:05 pm, 0% cancelled 78%
  1. F9 3220 6:05 am, 2% cancelled 93%
  2. F9 3862 8:16 am, 0% cancelled 82%
  3. F9 3982 3:41 pm, 1% cancelled 59%
  4. F9 4252 10:50 pm, 0% cancelled 68%
  1. WN 3737 5:35 am, 2% cancelled 96%
  2. WN 2410 6:20 am, 0% cancelled 85%
  3. WN 3738 7:25 am, 0% cancelled 95%
  4. WN 4673 8:40 am, 0% cancelled 64%
  5. WN 3739 10:40 am, 0% cancelled 49%
  6. WN 1478 12:20 pm, 0% cancelled 86%
  7. WN 3740 4:50 pm, 0% cancelled 23%
  8. WN 3662 6:45 pm, 0% cancelled 32%
  9. WN 3741 7:35 pm, 0% cancelled 62%
  10. WN 4851 9:40 pm, 0% cancelled 56%

What time should I fly? The 5 am departures.

95% landed on time; at 3 pm, 58%. Saturday was the best day, Friday the worst.

Flight records,

DepartsLanded on time
5 am95%
6 am93%
7 am89%
8 am74%
9 am87%
10 am78%
11 am82%
12 pm83%
1 pm83%
2 pm72%
3 pm58%
4 pm61%
5 pm70%
6 pm72%
7 pm68%
8 pm71%
9 pm78%
10 pm78%

When is SLC security busiest? 6 am, then 9 am.

Calmest around 5 pm. Salt Lake City 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

Thursday, 9 am

2,910

people screened, all terminals.