Schedule: a typical Friday (the flights of Jul 31, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.
FRONTIER · FLIGHT F9 2399
SCHEDULED · TYPICAL SCHEDULE
F9 2399 · ATL → IAH
departs 8:45 AM ET · arrives 10:03 AM CT
Forecast issued Wed 6:00 PM ET · 39h before departure
Odds over time
Arrive at IAH more than 15 minutes late?
34%
chance · ±1 pts
−6 pts · 24h
HOW SURE WE ARE
Moderate. The odds now blend history with early weather forecasts.
-
-
-
-
How late will it get to IAH?
-
On time or early
65%
-
15–30 min late
13%
-
30 min–1 hour late
10%
-
1–2 hours late
7%
-
Over 2 hours late
4%
-
Cancelled
1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.