Schedule: FAA flight plans.
SOUTHWEST · FLIGHT WN 557
SCHEDULED
Today
WN 557 · BNA → TYS
departs 3:52 PM CT · arrives 5:54 PM ET
Your aircraft is N926WN (B737), coming in as WN 3766 from MEM: landed 3:22 PM CT.
Forecast issued Sat 4:00 PM ET · 1h before departure
Odds over time
Arrive at TYS more than 15 minutes late?
95%
chance · ±0 pts
+6 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 TYS?
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On time or early
74%
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15–30 min late
12%
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30 min–1 hour late
9%
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1–2 hours late
4%
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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%.