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.
DELTA · FLIGHT DL 491SCHEDULED · TYPICAL SCHEDULE
DL 491 · BZN → SLC
departs 6:00 AM MT · arrives 7:15 AM MT
Forecast issued Wed 8:00 PM ET · 60h before departure
Odds over time
Arrive at SLC more than 15 minutes late?
3%chance · ±1 pts−1 pt · 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
96%
15–30 min late
2%
30 min–1 hour late
0%
1–2 hours late
<1%
Over 2 hours late
<1%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.