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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
Atlanta flights leaving PHL 10–11 am: 1Close ×
DL 1100 PHL 10:40 ATL 12:54 2h 14m 293 87% 3.1% 43 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.
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