tailodds FORECAST
Tickets
Any day
3,030 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 88% depart on time. After 4 pm it’s 62%.

Best time to leave 6–7 am 90% arrive on time from DEN
Best single flight UA 1575 DEN 09:35 → PHL 15:12 · 88% on time Avoid F9 3340 DEN 23:59 → PHL 05:38 · 62% 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).

6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
DEN
90
89
87
86
83
72
65
79
62
59
69
39
29
71
% 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
Philadelphia flights leaving DEN 11 pm–12 am: 3Close ×
AA 2500 DEN 23:55 PHL 05:32 3h 37m 61 78% 3.3% 217 min
F9 3340 DEN 23:59 PHL 05:38 3h 39m 234 62% 3.0% 90 min
UA 1214 DEN 23:59 PHL 05:31 3h 32m 61 83% 0.0% 59 min

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 952 81% 0.5% 69 min
American 903 80% 1.6% 112 min
Frontier 296 66% 3.0% 95 min
Southwest 879 64% 0.8% 57 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.
UA 1575 DEN 09:35 PHL 15:12 88%
F9 3340 DEN 23:59 PHL 05:38 62%
All 14 flights on this route →

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 DEN PHL 3h 36m 81% 0.5% 952 Flying now
American DEN PHL 3h 43m 80% 1.6% 903 Flying now
Frontier DEN PHL 3h 44m 66% 3.0% 296 Flying now
Southwest DEN PHL 3h 30m 64% 0.8% 879 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