Schedule: FAA flight plans.
DELTA · FLIGHT DL 631
IN THE AIR (OFF 1:46 PM PT, ETA 9:34 PM ET)
Today
DL 631 · SFO → JFK
took off 1:46 PM PT · expected to land 9:34 PM ET (scheduled 1:20 PM PT → 9:45 PM ET)
Forecast issued Wed 3:00 PM ET · 1h before departure
Odds over time
Arrive at JFK more than 15 minutes late?
6%
chance · ±0 pts
+5 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 JFK?
LIVE
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On time or early
94%
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15–30 min late
5%
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30 min–1 hour late
<1%
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1–2 hours late
0%
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Over 2 hours late
0%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%; while it’s in the air they come from the FAA’s arrival estimate.