Schedule: the flights that flew on Tuesday, Sep 29, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
DELTA · FLIGHT DL 51SCHEDULED · TYPICAL SCHEDULE
DL 51 · LHR → SLC
departs 10:59 AM BST · arrives 1:59 PM MT
Forecast issued Sun 3:00 AM ET · 51h before departure
Odds over time
Arrive at SLC more than 15 minutes late?
5%chance · ±0 pts– · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to SLC?
On time or early
93%
15–30 min late
<1%
30 min–1 hour late
2%
1–2 hours late
1%
Over 2 hours late
1%
Cancelled
3%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.