1,090 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: airlines and hours on this route all land within a few points of 4 in 5 on time.

Best time to leave 8–9 am 90% arrive on time from SFO

Best single flight UA 1678 SFO 08:20 → DCA 16:47 · 90% 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).

SFO

% 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: 1Close ×


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	727	80%	0.6%	56 min
Alaska	363	78%	0.8%	53 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 1678	SFO 08:20	DCA 16:47	90%
AS 8	SFO 09:39	DCA 17:59	78%
UA 2386	SFO 14:18	DCA 22:30	71%

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	DCA	5h 27m	80%	0.6%	727	Flying now
Alaska	SFO	DCA	5h 20m	78%	0.8%	363	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