GSP (Greenville) to ORD (Chicago) flights arrive on time 80% of the time. The most reliable airline on this route is United Airlines at 88%. The average delay is 68 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated October 2026.GSP → ORD
GSP (Greenville) to ORD (Chicago)
GSP → ORD on-time performance by month
24
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JanFebMarAprMayJunJulAugSepOctNovDec
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This route is on time most of the time. About 80% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
United Airlines edges out SkyWest Airlines on this route — 88% vs 79% on time.
Airline Comparison
United Airlines leads at 88% on time; SkyWest Airlines trails at 79%.
Accurate?
Good to know
Departing from GSP
81% on timeExpect ~19 min sitting on the taxiway after your gate pushes back. GSP has long runway queues.
TSA is currently ~29 min. Best time: 4 AM (about 5 min).
Arriving at ORD
77% on timeWhen flights into ORD are late, the average delay is 79 minutes. Build buffer if you have ground plans.
If connecting at ORD: TSA is ~36 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what United Airlines 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 October 2026. Source: Bureau of Transportation Statistics.