Schedule: FAA flight plans.
SOUTHWEST · FLIGHT WN 1639
SCHEDULED
Today
WN 1639 · PHL → DEN
departs 4:55 AM ET · arrives 6:50 AM MT
Your aircraft is N8754S (B38M), coming in as WN 1622 from DEN: landed 12:20 AM ET.
Forecast issued Mon 2:00 AM ET · 3h before departure
Odds over time
Arrive at DEN more than 15 minutes late?
31%
chance · ±0 pts
−3 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 DEN?
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On time or early
85%
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15–30 min late
8%
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30 min–1 hour late
3%
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1–2 hours late
1%
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Over 2 hours late
<1%
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Cancelled
2%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.