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2,957 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 9 in 10 depart on time. After 4 pm it’s 3 in 4.

Best time to leave 11 am–12 pm 95% arrive on time from PHX
Best single flight UA 1318 PHX 06:10 → IAH 10:52 · 92% on time Avoid F9 4184 PHX 09:04 → IAH 13:59 · 78% 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).

6
7
8
9
10
11
12
13
14
15
16
17
18
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20
PHX
94
94
87
88
86
94
83
86
80
78
75
71
78
79
% 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.

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) 1,776 86% 0.4% 82 min
Frontier 291 80% 0.7% 63 min
American (incl. Envoy, SkyWest) 890 75% 1.7% 73 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 1318 PHX 06:10 IAH 10:52 92%
UA 1885 PHX 18:47 IAH 23:30 80%
F9 4184 PHX 09:04 IAH 13:59 78%
All 11 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 PHX IAH 2h 38m 86% 0.4% 1,776 Flying now
Frontier PHX IAH 2h 55m 80% 0.7% 291 Flying now
American PHX IAH 2h 40m 75% 1.7% 890 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