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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
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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
Houston flights leaving PHX 9–10 am: 2Close ×
F9 4184 PHX 09:04 IAH 13:59 2h 55m 154 78% 0.6% 52 min
F9 1704 PHX 09:15 IAH 13:56 2h 41m 135 83% 0.7% 76 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) 1,776 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