Schedule: a typical Tuesday (the flights of Jul 28, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.
FRONTIER · FLIGHT F9 2145SCHEDULED · TYPICAL ODDS
F9 2145 · ORD → LAS
departs 7:15 AM CT · arrives 9:23 AM PT
Forecast issued Wed 12:00 AM ET · 152h before departure
Typical odds
Too early for a weather forecast — these are typical odds for this flight on a Tuesday 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 LAS more than 15 minutes late?
18%chance · ±4 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 LAS?
On time or early
81%
15–30 min late
6%
30 min–1 hour late
7%
1–2 hours late
2%
Over 2 hours late
2%
Cancelled
2%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.