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Showing United only (incl. its regional partners)All airlines ×
2,693 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 4 in 5.

Best time to leave 6–7 am 98% arrive on time from SFO
Best single flight UA 1453 SFO 16:34 → IAD 00:55 · 87% on time Avoid UA 336 SFO 10:50 → IAD 19:11 · 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).

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SFO
99
89
85
76
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84
76
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% 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.

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 1453 SFO 16:34 IAD 00:55 87%
UA 1849 SFO 08:10 IAD 16:25 84%
UA 336 SFO 10:50 IAD 19:11 78%

All 9 United flights in the current schedule

Every flight that flew in the Jun 6 – Jul 31, 2026 schedule, with its record over Aug 2025 – Jul 2026. Times are local. Click a column to sort.
UA 1849 SFO 08:10 IAD 16:25 5h 15m 365 84% 1.9% 81 min
UA 336 SFO 10:50 IAD 19:11 5h 21m 207 78% 0.5% 97 min
UA 2274 SFO 12:45 IAD 20:52 5h 07m 35 66% 0.0% 66 min
UA 1791 SFO 13:15 IAD 21:25 5h 10m 93 76% 0.0% 81 min
UA 1453 SFO 16:34 IAD 00:55 5h 21m 285 87% 0.4% 50 min
UA 357 SFO 21:30 IAD 05:53 5h 23m 72 74% 0.0% 45 min
UA 2837 SFO 22:35 IAD 06:58 5h 23m 72 67% 0.0% 53 min
UA 2111 SFO 23:05 IAD 07:30 5h 25m 102 87% 0.0% 39 min
UA 1083 SFO 23:05 IAD 07:30 5h 25m 66 80% 0.0% 43 min

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 SFO IAD 5h 12m 85% 0.7% 2,693 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