PIE (St. Petersburg) to GSP (Greenville) flights arrive on time 67% of the time. The most reliable airline on this route is Allegiant Air at 71%. The average delay is 46 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated October 2026.PIE → GSP
PIE (St. Petersburg) to GSP (Greenville)
PIE → GSP on-time performance by month
23
24
25
26
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
This route is delayed fairly often. About 67% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Accurate?
Good to know
Departing from PIE
76% on timeTSA is currently ~15 min. Best time: 4 AM (about 5 min).
Arriving at GSP
81% on timeWhen flights into GSP are late, the average delay is 73 minutes. Build buffer if you have ground plans.
If connecting at GSP: TSA is ~29 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what Allegiant Air owes you — refund rights, action plan, complaint email. Free.
Flying out of PIE? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
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Data last updated October 2026. Source: Bureau of Transportation Statistics.