ILM (Wilmington) to DCA (Washington) flights arrive on time 73% of the time. The most reliable airline on this route is Republic Airways at 92%. The average delay is 87 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated March 2026.ILM → DCA
ILM (Wilmington) to DCA (Washington)
ILM → DCA on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
This route is delayed fairly often. About 73% 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 92% on time vs PSA Airlines at 71%.
Airline Comparison
Republic Airways leads at 92% on time; PSA Airlines trails at 71%.
Accurate?
Good to know
Departing from ILM
83% on timeExpect ~19 min sitting on the taxiway after your gate pushes back. ILM has long runway queues.
TSA is currently ~5 min. Best time: 4 AM (about 5 min).
ILM cancels 2.2% 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 ~5 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.
Free flight briefing
Know before you go
Flying ILM → DCA? We'll brief you before takeoff.
Delay riskDOT stats + live data
TSA waitCurrent checkpoint lines
WeatherBoth airports
Gate & terminalLive updates
Know someone flying soon?
Send them the link — delay data, TSA waits, weather, all free.
Data last updated March 2026. Source: Bureau of Transportation Statistics.