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5,116 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 93% depart on time. After 4 pm it’s 77%.

Best time to leave 6–7 am 98% arrive on time from SFO
Best airport pair SFO → IAD 84% on time, 0.7% cancelled, 2,730 flights
Best single flight UA 2664 SFO 09:33 → BWI 17:57 · 91% on time Avoid UA 2386 SFO 14:18 → DCA 22:30 · 71% 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
16
17
18
19
20
21
22
23
SFO
99
92
80
85
73
76
78
70
78
73
76
83
SJC
88
71
% 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
Washington flights leaving SFO 8–9 am: 2Close ×
UA 1849 SFO 08:10 IAD 16:25 5h 15m 365 84% 1.9% 81 min
UA 1678 SFO 08:20 DCA 16:47 5h 27m 363 90% 0.6% 49 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 4,109 85% 0.6% 60 min
Alaska 400 76% 0.7% 50 min
Southwest 607 72% 0.7% 44 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 2664 SFO 09:33 BWI 17:57 91%
UA 1678 SFO 08:20 DCA 16:47 90%
UA 1453 SFO 16:34 IAD 00:55 87%
UA 1849 SFO 08:10 IAD 16:25 84%
AS 8 SFO 09:39 DCA 17:59 78%
· · ·
UA 336 SFO 10:50 IAD 19:11 78%
UA 2386 SFO 14:18 DCA 22:30 71%
All 16 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 SFO BWI 5h 19m 90% 0.4% 688 Flying now
United SFO IAD 5h 12m 85% 0.7% 2,693 Flying now
Southwest SJC BWI 5h 05m 83% 0.4% 242 Flying now
United SFO DCA 5h 27m 80% 0.6% 727 Flying now
Alaska SFO DCA 5h 20m 78% 0.8% 363 Flying now
Southwest SFO BWI 5h 10m 65% 0.8% 365 Flying now
United SJC IAD – 100%few flights 0.0% 1 Not flying now
Alaska SFO IAD 5h 09m 49%few flights 0.0% 37 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