Schedule: FAA flight plans.
DELTA · FLIGHT DL 859
SCHEDULED
Today
DL 859 · BOS → SLC
departs 6:05 AM ET · arrives 9:17 AM MT
Your aircraft is N586DT (A21N), coming in as DL 860 from SFO: landed 11:56 PM ET.
Forecast issued Mon 4:00 AM ET · 2h before departure
Odds over time
Arrive at SLC more than 15 minutes late?
17%
chance · ±0 pts
−2 pts · 24h
HOW SURE WE ARE
High. The odds now come mostly from live FAA and airport data.
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How late will it get to SLC?
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On time or early
85%
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15–30 min late
5%
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30 min–1 hour late
5%
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1–2 hours late
2%
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Over 2 hours late
2%
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Cancelled
2%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.