LAX (Los Angeles) to DCA (Washington) flights arrive on time 81% of the time. The most reliable airline on this route is Delta Air Lines at 86%. The average delay is 70 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated March 2026.LAX → DCA
LAX (Los Angeles) to DCA (Washington)
LAX → DCA on-time performance by month
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This route is on time most of the time. About 81% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
Delta Air Lines is significantly more reliable on this route at 86% on time vs Alaska Airlines at 71%.
Airline Comparison
Delta Air Lines leads at 86% on time; Alaska Airlines trails at 71%.
Accurate?
Good to know
Departing from LAX
82% on timeExpect ~18 min sitting on the taxiway after your gate pushes back. LAX has long runway queues.
TSA is currently ~14 min. Best time: 4 AM (about 5 min).
Arriving at DCA
79% on timeWhen flights into DCA are late, the average delay is 74 minutes. Build buffer if you have ground plans.
If connecting at DCA: TSA is ~7 min right now. Allow at least 60 minutes for a domestic connection.
DCA has a 2.6% cancellation rate — keep the airline app handy for rebooking.
Flight cancelled or delayed?
Check what Delta Air Lines owes you — refund rights, action plan, complaint email. Free.
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Data last updated March 2026. Source: Bureau of Transportation Statistics.