1,454 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 86% arrive on time from LAX

Best single flight DL 392 LAX 07:35 → DCA 15:35 · 81% on time Avoid AA 591 LAX 12:26 → DCA 20:29 · 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).

LAX

% 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.


American	728	82%	1.2%	69 min
Delta	362	81%	2.2%	103 min
Alaska	364	78%	0.8%	67 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.


DL 392	LAX 07:35	DCA 15:35	81%
AS 6	LAX 11:48	DCA 20:00	78%
AA 591	LAX 12:26	DCA 20:29	78%

All 4 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.


American	LAX	DCA	4h 59m	82%	1.2%	728	Flying now
Delta	LAX	DCA	5h 00m	81%	2.2%	362	Flying now
Alaska	LAX	DCA	5h 12m	78%	0.8%	364	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