Schedule: FAA flight plans.
SOUTHWEST · FLIGHT WN 4509
DELAYED: NOW PLANNED TO TAKE OFF 5:42 PM PT (2 H 22 MIN LATER THAN FIRST FILED)
Today
WN 4509 · SMF → PHX
departs 3:05 PM PT · arrives 6:10 PM MT
Forecast issued Fri 10:00 PM ET · 4h after departure
Odds over time
Arrive at PHX more than 15 minutes late?
100%
chance · ±0 pts
−13 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 PHX?
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On time or early
63%
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15–30 min late
16%
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30 min–1 hour late
10%
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1–2 hours late
7%
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Over 2 hours late
3%
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Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.