Schedule: a typical Wednesday (the flights of Jul 29, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.
SKYWEST · FLIGHT OO 5275SCHEDULED · TYPICAL ODDS
OO 5275 · ORD → GSP
departs 6:17 PM CT · arrives 9:26 PM ET
Forecast issued Thu 12:00 AM ET · 163h before departure
Typical odds
Too early for a weather forecast — these are typical odds for this flight on a Wednesday in October, from the weather this date has had in past years (the range shows how much they varied). They’ll switch to forecast-based odds about 3 days before departure.
Odds over time
Arrive at GSP more than 15 minutes late?
24%chance · ±13 pts– · 24h
HOW SURE WE ARELow. This is mostly a starting point from history; weather forecasts haven't kicked in yet.
How late will it get to GSP?
On time or early
73%
15–30 min late
<1%
30 min–1 hour late
9%
1–2 hours late
9%
Over 2 hours late
5%
Cancelled
4%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.