GSP (Greenville) to DCA (Washington) flights arrive on time 72% of the time. The most reliable airline on this route is Republic Airways at 75%. The average delay is 79 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated August 2026.GSP → DCA
GSP (Greenville) to DCA (Washington)
GSP → DCA on-time performance by month
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JanFebMarAprMayJunJulAugSepOctNovDec
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This route is delayed fairly often. About 72% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Airlines are roughly equal on this route — Republic Airways leads slightly at 75% vs PSA Airlines at 72%.
Airline Comparison
Republic Airways leads at 75% on time; PSA Airlines trails at 72%.
Accurate?
Good to know
Departing from GSP
80% on timeExpect ~19 min sitting on the taxiway after your gate pushes back. GSP has long runway queues.
TSA is currently ~14 min. Best time: 4 AM (about 5 min).
GSP cancels 2.3% 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 ~7 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 GSP? 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.