Schedule: FAA flight plans.
SOUTHWEST · FLIGHT WN 3907
IN THE AIR (OFF 11:03 PM PT, ETA 6:41 AM ET)
Yesterday
WN 3907 · SMF → BWI
took off 11:03 PM PT · expected to land 6:41 AM ET (scheduled 9:50 PM PT → 5:59 AM ET)
Forecast issued Mon 11:00 PM ET · 2h before departure
Odds over time
Arrive at BWI more than 15 minutes late?
100%
chance · ±0 pts
+25 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 BWI?
LIVE
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On time or early
<1%
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15–30 min late
5%
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30 min–1 hour late
86%
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1–2 hours late
9%
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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.