Schedule: the flights that flew on Wednesday, Sep 30, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
AMERICAN · FLIGHT AA 108SCHEDULED · TYPICAL ODDS
AA 108 · BOS → LHR
departs 8:02 PM ET · arrives 7:36 AM BST
Forecast issued Sat 12:00 PM ET · 104h 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 LHR more than 15 minutes late?
18%chance · ±15 pts+0 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 LHR?
On time or early
79%
15–30 min late
<1%
30 min–1 hour late
7%
1–2 hours late
7%
Over 2 hours late
4%
Cancelled
3%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.