Schedule: a typical Saturday (the flights of Jul 25, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.
AMERICAN · FLIGHT AA 2877SCHEDULED · TYPICAL ODDS
AA 2877 · ORD → LAS
departs 1:41 PM CT · arrives 3:36 PM PT
Forecast issued Mon 10:00 PM ET · 113h before departure
Typical odds
Too early for a weather forecast — these are typical odds for this flight on a Saturday 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?
39%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 LAS?
On time or early
61%
15 min–1 hour late
28%
Over 1 hour late
10%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.