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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
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

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 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