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5,750 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 7 in 10.

Best time to leave 6–7 am 88% arrive on time from PHL
Best single flight DL 1269 PHL 05:15 → ATL 07:22 · 90% on time Avoid F9 1101 PHL 13:32 → ATL 15:57 · 60% 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
21
PHL
90
91
85
86
88
89
74
81
72
84
73
74
70
68
71
71
77
% 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.
Delta 3,017 85% 3.0% 71 min
American (incl. PSA, Republic) 1,616 78% 3.2% 70 min
Frontier 1,046 67% 2.6% 71 min
Spirit 71 – 4.2% 50 min

Dimmed: fewer than 150 flights in the year, too few to rank.

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.
DL 1269 PHL 05:15 ATL 07:22 90%
DL 1152 PHL 06:25 ATL 08:32 89%
DL 2270 PHL 12:02 ATL 14:05 88%
DL 1100 PHL 10:40 ATL 12:54 87%
DL 1180 PHL 08:05 ATL 10:12 86%
· · ·
F9 2297 PHL 08:30 ATL 10:57 71%
F9 1003 PHL 16:30 ATL 19:02 67%
F9 1101 PHL 13:32 ATL 15:57 60%
All 24 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.
Delta PHL ATL 2h 15m 85% 3.0% 3,017 Flying now
American PHL ATL 2h 20m 78% 3.2% 1,616 Flying now
Frontier PHL ATL 2h 27m 67% 2.6% 1,046 Flying now
Spirit PHL ATL 2h 20m 68% 4.2% 71 Not 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