GSO (Greensboro) to PHL (Philadelphia) flights arrive on time 71% of the time. The most reliable airline on this route is PSA Airlines at 73%. The average delay is 120 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated August 2026.GSO → PHL
GSO (Greensboro) to PHL (Philadelphia)
GSO → PHL on-time performance by month
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JanFebMarAprMayJunJulAugSepOctNovDec
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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?
PSA Airlines is significantly more reliable on this route at 73% on time vs Republic Airways at 58%.
Airline Comparison
PSA Airlines leads at 73% on time; Republic Airways trails at 58%.
Accurate?
Good to know
Departing from GSO
80% on timeExpect ~20 min sitting on the taxiway after your gate pushes back. GSO has long runway queues.
TSA is currently ~5 min. Best time: 4 AM (about 5 min).
GSO cancels 2.6% of flights — higher than average. Have a backup plan.
Arriving at PHL
77% on timeWhen flights into PHL are late, the average delay is 84 minutes. Build buffer if you have ground plans.
If connecting at PHL: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
PHL has a 2.4% cancellation rate — keep the airline app handy for rebooking.
Flight cancelled or delayed?
Check what PSA Airlines owes you — refund rights, action plan, complaint email. Free.
Flying out of GSO? 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.