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Flight records through . Security counts through .

Which DEN to BUF flight is punctual? Southwest 958, 12:10 pm.

59% on time across 27 flights in the last 3 months, never cancelled.

Find your flightDEN security

  • WN 958

    59%

    on time

    12:10 pm

    0% cancelled

  • UA 248

    55%

    on time

    5:40 pm

    0% cancelled

2 regular flights, June to August 2026.

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

United landed on time 71% of the time, Southwest 62%.

Flight records,

  • United

    71%

    on time

    0.0% cancelled

  • Southwest

    62%

    on time

    0.4% cancelled

When do the flights leave? 2 regular flights, 12:10 pm to 5:40 pm.

None was cancelled in the last 3 months.

Flight records,

  1. UA 248 5:40 pm, 0% cancelled 55%
  1. WN 958 12:10 pm, 0% cancelled 59%

What time should I fly? The 10 am departures.

88% landed on time; at 12 pm, 54%. Wednesday was the best day, Saturday the worst.

Flight records,

DepartsLanded on time
10 am88%
11 am77%
12 pm54%
5 pm69%

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.