Showing United only (incl. its regional partners)All airlines ×

1,023 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 78%.

Best time to leave 6–7 am 94% arrive on time from PHL

Best single flight UA 2038 PHL 13:04 → IAH 15:35 · 87% 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).

PHL

% 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 2038	PHL 13:04	IAH 15:35	87%

All 5 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 4066flown by Mesa	PHL 06:00	IAH 08:42	3h 42m	10	90%	0.0%	22 min
UA 584	PHL 06:15	IAH 08:44	3h 29m	109	95%	0.9%	49 min
UA 2038	PHL 13:04	IAH 15:35	3h 31m	159	87%	0.6%	73 min
UA 2430	PHL 19:58	IAH 22:32	3h 34m	49	67%	2.0%	74 min
UA 2015	PHL 19:58	IAH 22:32	3h 34m	23	55%	4.3%	185 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	IAH	3h 46m	86%	1.0%	1,023	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