Schedule: a typical Friday (the flights of Jul 31, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.
SOUTHWEST · FLIGHT WN 3635
SCHEDULED · TYPICAL SCHEDULE
Tomorrow
WN 3635 · SFO → BUR
departs 10:20 AM PT · arrives 11:40 AM PT
Forecast issued Thu 9:00 PM ET · 16h before departure
Odds over time
Arrive at BUR more than 15 minutes late?
42%
chance · ±1 pts
+9 pts · 24h
HOW SURE WE ARE
Good. The odds now lean mostly on firmed-up weather forecasts.
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How late will it get to BUR?
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On time or early
57%
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15–30 min late
14%
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30 min–1 hour late
15%
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1–2 hours late
11%
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Over 2 hours late
2%
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Cancelled
2%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.