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5,008 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 85% depart on time. After 4 pm it’s 3 in 5.

Best time to leave 5–6 am 90% arrive on time from ORD
Best single flight AA 2970 ORD 05:00 → PHL 08:05 · 90% on time Avoid AA 1848 ORD 17:07 → PHL 20:25 · 59% 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
ORD
90
85
93
78
83
68
76
68
71
68
59
57
64
61
54
59
% 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 ORD 8–9 am: 1Close ×
AA 471 ORD 08:29 PHL 11:41 2h 12m 209 80% 1.0% 71 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 (incl. Republic) 1,814 74% 1.7% 83 min
American (incl. Republic) 3,001 73% 4.0% 96 min
Frontier 193 61% 4.7% 134 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.
AA 2970 ORD 05:00 PHL 08:05 90%
AA 471 ORD 08:29 PHL 11:41 80%
UA 2182 ORD 11:33 PHL 14:47 79%
F9 2112 ORD 20:00 PHL 23:27 62%
UA 1776 ORD 17:59 PHL 21:19 61%
· · ·
AA 2443 ORD 18:48 PHL 21:59 59%
AA 1848 ORD 17:07 PHL 20:25 59%
All 22 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 ORD PHL 2h 11m 74% 1.7% 1,814 Flying now
American ORD PHL 2h 05m 73% 4.0% 3,001 Flying now
Frontier ORD PHL 2h 27m 61% 4.7% 193 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