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1,036 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: almost all depart on time. After 4 pm it’s 73%.

Best time to leave 8–9 am 97% arrive on time from IAD
Best single flight UA 1938 IAD 17:50 → PHX 19:46 · 82% 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).

8
9
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IAD
97
89
65
78
49
% 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 IAD 5–6 pm: 1Close ×
UA 1938 IAD 17:50 PHX 19:46 4h 56m 361 82% 0.8% 73 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 730 87% 0.8% 70 min
Southwest 306 73% 0.7% 47 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 1938 IAD 17:50 PHX 19:46 82%

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 IAD PHX 5h 10m 87% 0.8% 730 Flying now
Southwest IAD PHX 5h 10m 73% 0.7% 306 Not flying now

Alternatives with one stop

All connections →
UnitedDetails → IAD 06:30 → IAH 08:39UA 1935 1h 01m Houston IAH 09:40 → PHX 10:34UA 1895 7h 04m 100% 85%
UnitedDetails → IAD 08:15 → DEN 10:10UA 792 1h 15m Denver DEN 11:25 → PHX 12:25UA 1686 7h 10m 95% 82%
AmericanDetails → IAD 06:33 → CLT 08:00AA 1216 1h 40m Charlotte CLT 09:40 → PHX 11:04AA 1986 7h 30m 90% 80%
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