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2,960 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 73%.

Best time to leave 7–8 am 95% arrive on time from IAH
Best single flight UA 1798 IAH 14:20 → PHX 15:10 · 86% on time Avoid F9 1703 IAH 11:54 → PHX 12:42 · 69% 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).

7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
IAH
97
86
83
82
68
74
76
% 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
Phoenix flights leaving IAH 7–8 pm: 1Close ×
UA 2078 IAH 19:53 PHX 20:42 2h 49m 359 72% 0.6% 62 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. SkyWest) 1,780 82% 0.3% 63 min
American (incl. Envoy, SkyWest) 889 80% 1.7% 136 min
Frontier 291 68% 0.7% 78 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.

UA 1798 IAH 14:20 PHX 15:10 86%
UA 1895 IAH 09:40 PHX 10:34 85%
UA 2078 IAH 19:53 PHX 20:42 72%
F9 1703 IAH 11:54 PHX 12:42 69%
All 10 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 IAH PHX 3h 01m 82% 0.3% 1,780 Flying now
American IAH PHX 3h 04m 80% 1.7% 889 Flying now
Frontier IAH PHX 3h 00m 68% 0.7% 291 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