Schedule: FAA flight plans.
SOUTHWEST · FLIGHT WN 1821
SCHEDULED
Today
WN 1821 · MDW → TUS
departs 3:55 PM CT · arrives 5:46 PM MT
Your aircraft is N8943Q (B38M), coming in as WN 2866 from ATL: in the air, landing about 2:51 PM CT, 60 min before departure.
Forecast issued Fri 2:00 PM ET · 3h before departure
Odds over time
Arrive at TUS more than 15 minutes late?
27%
chance · ±0 pts
−6 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 TUS?
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On time or early
73%
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15–30 min late
13%
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30 min–1 hour late
8%
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1–2 hours late
5%
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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%.