Schedule: FAA flight plans.
SOUTHWEST · FLIGHT WN 4855
SCHEDULED
Today
WN 4855 · BNA → DCA
departs 5:40 AM CT · arrives 8:31 AM ET
Your aircraft is N8524Z (B738), coming in as WN 897 from TPA: landed 11:46 PM CT.
Forecast issued Mon 3:00 AM ET · 4h before departure
Odds over time
Arrive at DCA more than 15 minutes late?
27%
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 DCA?
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On time or early
90%
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15–30 min late
6%
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30 min–1 hour late
<1%
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1–2 hours late
1%
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Over 2 hours late
<1%
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Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.