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Showing United only (incl. its regional partners)All airlines ×
1,811 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 93% depart on time. After 4 pm it’s 77%.

Best time to leave 6–7 am 88% arrive on time from PHL
Best single flight UA 660 PHL 06:00 → ORD 07:30 · 88% on time Avoid UA 308 PHL 17:00 → ORD 18:33 · 63% 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).

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PHL
94
92
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85
90
81
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69
64
% 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.

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 660 PHL 06:00 ORD 07:30 88%
UA 1811 PHL 08:05 ORD 09:34 87%
UA 308 PHL 17:00 ORD 18:33 63%

All 8 United 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.
UA 660 PHL 06:00 ORD 07:30 2h 30m 150 88% 6.0% 34 min
UA 1811 PHL 08:05 ORD 09:34 2h 29m 207 87% 2.4% 72 min
UA 2207 PHL 11:38 ORD 13:06 2h 28m 116 81% 1.7% 129 min
UA 2784 PHL 13:31 ORD 14:55 2h 24m 65 76% 3.1% 226 min
UA 308 PHL 17:00 ORD 18:33 2h 33m 297 63% 1.3% 94 min
UA 2797 PHL 19:00 ORD 20:33 2h 33m 36 48% 8.3% 231 min
UA 1819 PHL 19:00 ORD 20:33 2h 33m 24 48% 4.2% 167 min
UA 2824 PHL 20:41 ORD 22:14 2h 33m 30 66% 3.3% 144 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 ORD 2h 28m 75% 2.2% 1,811 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