GSO (Greensboro) to PHL (Philadelphia) flights arrive on time 72% of the time. The most reliable airline on this route is PSA Airlines at 74%. 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.GSO → PHL
GSO (Greensboro) to PHL (Philadelphia)
GSO → PHL on-time performance by month
24
25
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?
PSA Airlines is significantly more reliable on this route at 74% on time vs Republic Airways at 58%.
Airline Comparison
PSA Airlines leads at 74% on time; Republic Airways trails at 58%.
Accurate?
Good to know
Departing from GSO
83% on timeExpect ~19 min sitting on the taxiway after your gate pushes back. GSO has long runway queues.
TSA is currently ~17 min. Best time: 4 AM (about 5 min).
GSO cancels 2.1% of flights — higher than average. Have a backup plan.
Arriving at PHL
79% on timeWhen flights into PHL are late, the average delay is 79 minutes. Build buffer if you have ground plans.
If connecting at PHL: TSA is ~31 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
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Data last updated May 2026. Source: Bureau of Transportation Statistics.