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2,729 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 6–7 am 88% arrive on time from IAD
Best single flight UA 1095 IAD 06:30 → SFO 09:12 · 88% on time Avoid UA 1757 IAD 17:55 → SFO 20:37 · 60% 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
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20
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IAD
91
88
89
81
82
81
86
63
70
81
61
83
% 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
San Francisco flights leaving IAD 10–11 pm: 1Close ×
UA 367 IAD 22:21 SFO 01:15 5h 54m 346 84% 0.6% 46 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 2,691 79% 0.8% 75 min
Alaska 38 – 0.0% 56 min

Dimmed: fewer than 150 flights in the year, too few to rank.

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 1095 IAD 06:30 SFO 09:12 88%
UA 1147 IAD 08:35 SFO 11:19 86%
UA 367 IAD 22:21 SFO 01:15 84%
UA 2862 IAD 14:51 SFO 17:38 82%
UA 1434 IAD 12:40 SFO 15:27 79%
· · ·
UA 1757 IAD 17:55 SFO 20:37 60%
All 8 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 IAD SFO 5h 51m 79% 0.8% 2,691 Flying now
Alaska IAD SFO 5h 47m 76%few flights 0.0% 38 Not 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