PWM (Portland) to DCA (Washington) flights arrive on time 78% of the time. The most reliable airline on this route is Republic Airways at 88%. The average delay is 110 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated May 2026.PWM → DCA
PWM (Portland) to DCA (Washington)
PWM → DCA on-time performance by month
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This route is on time most of the time. About 78% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Republic Airways is significantly more reliable on this route at 88% on time vs null at 68%.
Airline Comparison
Republic Airways leads at 88% on time; trails at 68%.
Accurate?
Good to know
Departing from PWM
81% on timeExpect ~18 min sitting on the taxiway after your gate pushes back. PWM has long runway queues.
TSA is currently ~11 min. Best time: 4 AM (about 5 min).
PWM cancels 2.8% of flights — higher than average. Have a backup plan.
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 ~14 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 Republic Airways owes you — refund rights, action plan, complaint email. Free.
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Data last updated May 2026. Source: Bureau of Transportation Statistics.