Schedule: a typical summer Monday (the flights of Jul 27, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
PSA · FLIGHT OH 5204SCHEDULED · TYPICAL SCHEDULE
OH 5204 · GSP → DCA
departs 12:56 PM ET · arrives 2:39 PM ET
Forecast issued Fri 11:00 PM ET · 62h before departure
Odds over time
Arrive at DCA more than 15 minutes late?
30%chance · ±2 pts– · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to DCA?
On time or early
70%
15–30 min late
10%
30 min–1 hour late
5%
1–2 hours late
11%
Over 2 hours late
4%
Cancelled
1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.