ILM (Wilmington) to DCA (Washington) flights arrive on time 71% of the time. The most reliable airline on this route is Republic Airways at 89%. The average delay is 90 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated August 2026.ILM → DCA
ILM (Wilmington) to DCA (Washington)
ILM → DCA on-time performance by month
24
25
26
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
This route is delayed fairly often. About 71% 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 89% on time vs PSA Airlines at 67%.
Airline Comparison
Republic Airways leads at 89% on time; PSA Airlines trails at 67%.
Accurate?
Good to know
Departing from ILM
80% on timeExpect ~19 min sitting on the taxiway after your gate pushes back. ILM has long runway queues.
TSA is currently ~24 min. Best time: 4 AM (about 5 min).
ILM cancels 2.9% of flights — higher than average. Have a backup plan.
Arriving at DCA
75% on timeWhen flights into DCA are late, the average delay is 79 minutes. Build buffer if you have ground plans.
If connecting at DCA: TSA is ~19 min right now. Allow at least 60 minutes for a domestic connection.
DCA has a 3.2% 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.
Flying out of ILM? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Know someone flying soon?
Send them the link — delay data, TSA waits, weather, all free.
Data last updated August 2026. Source: Bureau of Transportation Statistics.