Schedule: FAA flight plans.
SOUTHWEST · FLIGHT WN 4542
IN THE AIR (OFF 9:24 AM CT, ETA 10:30 AM PT)
Today
WN 4542 · DAL → SFO
took off 9:24 AM CT · expected to land 10:30 AM PT (scheduled 9:15 AM CT → 10:46 AM PT)
Forecast issued Wed 10:00 AM ET · 0h before departure
Odds over time
Arrive at SFO more than 15 minutes late?
1%
chance · ±0 pts
−5 pts · 24h
HOW SURE WE ARE
Very high. The odds now come almost entirely from live conditions.
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How late will it get to SFO?
LIVE
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On time or early
99%
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15–30 min late
1%
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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.