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3,033 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 9 in 10 depart on time. After 4 pm it’s 57%.

Best time to leave 7–8 am 89% arrive on time from PHL
Best single flight F9 3339 PHL 20:37 → DEN 23:04 · 67% on time Avoid AA 3158 PHL 17:30 → DEN 19:45 · 64% on time

Time of day × airport

Share of this route’s flights leaving within 15 minutes, by airport and scheduled departure hour, over Aug 2025 – Jul 2026. Blank: no flights then (or fewer than 40 in the year).

5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
PHL
93
82
92
90
88
82
74
76
43
62
81
61
46
46
65
62
% of this route’s flights leaving within 15 min (small number: flights in the Jun 6 – Jul 31, 2026 schedule): 85+75–8465–7455–64under 55

Pick an hour to see this route’s flights leaving then.

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.
United 953 84% 0.7% 81 min
American 904 74% 1.4% 65 min
Southwest 879 71% 1.1% 57 min
Frontier 297 68% 2.7% 114 min

Flights, best and worst

Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.
F9 3339 PHL 20:37 DEN 23:04 67%
AA 3158 PHL 17:30 DEN 19:45 64%

All 14 flights in the current schedule

Every flight that flew in the Jun 6 – Jul 31, 2026 schedule, with its record over Aug 2025 – Jul 2026. Times are local. Click a column to sort.
WN 2664 PHL 05:00 DEN 07:00 4h 00m 26 96% 0.0% 27 min
WN 1308 PHL 05:15 DEN 07:15 4h 00m 16 88% 0.0% 50 min
UA 1248 PHL 08:00 DEN 10:01 4h 01m 24 71% 0.0% 36 min
UA 2307 PHL 08:00 DEN 10:01 4h 01m 37 81% 0.0% 68 min
AA 3312 PHL 09:35 DEN 11:56 4h 21m 71 85% 0.0% 47 min
UA 1537 PHL 10:00 DEN 12:01 4h 01m 62 79% 0.0% 73 min
AA 1759 PHL 11:43 DEN 14:03 4h 20m 61 77% 0.0% 70 min
WN 3220 PHL 12:35 DEN 14:30 3h 55m 42 63% 4.8% 38 min
F9 2513 PHL 12:44 DEN 14:58 4h 14m 52 72% 1.9% 50 min
UA 2644 PHL 16:14 DEN 18:25 4h 11m 71 60% 0.0% 86 min
WN 3221 PHL 16:50 DEN 18:55 4h 05m 57 33% 3.5% 73 min
AA 3158 PHL 17:30 DEN 19:45 4h 15m 209 64% 1.9% 57 min
AA 2500 PHL 20:10 DEN 22:33 4h 22m 56 59% 3.6% 74 min
F9 3339 PHL 20:37 DEN 23:04 4h 27m 234 67% 3.0% 131 min

Nonstops by airline and airport

Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.
United PHL DEN 4h 20m 84% 0.7% 953 Flying now
American PHL DEN 4h 20m 74% 1.4% 904 Flying now
Southwest PHL DEN 4h 10m 71% 1.1% 879 Flying now
Frontier PHL DEN 4h 19m 68% 2.7% 297 Flying now
Flying on a particular day? Pick a date above and the same ranking uses our forecast odds for each flight that day: Tomorrow.

About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON