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Flight records through . Security counts through .

Which DEN to BOS flight is punctual? United 558, 7:45 am.

98% on time across 89 flights in the last 3 months, never cancelled.

Find your flightDEN security
DepartsFlightOn time
7:45 amUA 55898%
11:59 pmUA 265689%
9:40 amUA 123280%
10:00 amWN 369080%
9:54 amB6 49463%
11:33 amDL 49963%
5:40 pmUA 135663%
5:47 pmUA 267162%
8 of 15 regular flights, ranked by arrivals on time, June to August 2026.

Which airline is most reliable? United, by a distance.

United landed on time 76% of the time, JetBlue 62%.

Flight records,

  • United

    76%

    on time

    1.0% cancelled

  • JetBlue

    62%

    on time

    3.5% cancelled

  • Southwest

    57%

    on time

    1.1% cancelled

When do the flights leave? 15 regular flights, 7:45 am to 11:59 pm.

B6 394 was cancelled most often, 7% of the time.

Flight records,

  1. UA 558 7:45 am, 0% cancelled 98%
  2. UA 1232 9:40 am, 0% cancelled 80%
  3. UA 597 2:06 pm, 0% cancelled 59%
  4. UA 779 3:56 pm, 0% cancelled 58%
  5. UA 2798 4:03 pm, 2% cancelled 43%
  6. UA 1356 5:40 pm, 0% cancelled 63%
  7. UA 2671 5:47 pm, 5% cancelled 62%
  8. UA 2656 11:59 pm, 0% cancelled 89%
  1. B6 494 9:54 am, 3% cancelled 63%
  2. B6 394 2:45 pm, 7% cancelled 40%
  3. B6 994 11:37 pm, 7% cancelled 44%
  1. WN 3690 10:00 am, 0% cancelled 80%
  2. WN 735 1:20 pm, 0% cancelled 36%
  3. WN 1494 7:05 pm, 0% cancelled 15%

What time should I fly? The 7 am departures.

94% landed on time; at 6 pm, 38%. Saturday was the best day, Monday the worst.

Flight records,

DepartsLanded on time
7 am94%
8 am82%
9 am74%
10 am69%
11 am71%
12 pm64%
1 pm54%
2 pm60%
3 pm56%
4 pm68%
5 pm69%
6 pm38%
7 pm38%
10 pm74%
11 pm78%

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.