Schedule: a typical summer Saturday (the flights of Jul 25, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
SOUTHWEST · FLIGHT WN 4903
SCHEDULED · TYPICAL SCHEDULE
Saturday, October 3 Tomorrow
WN 4903 · OAK → LAX
departs 7:40 PM PT · arrives 9:10 PM PT
Forecast issued Fri 12:00 PM ET · 35h before departure
Watch this flight
Other days
Today 9%
Sat 10/3
Mon 10/5 10%
Wed 10/7 10%
Odds over time
Arrive at LAX more than 15 minutes late?
21%
chance · ±4 pts
−2 pts · 24h
HOW SURE WE ARE
Moderate. The odds now blend history with early weather forecasts.
Arrive 15+ late
21%
Leave 15+ late
32%
Arrive 1h+ late
6%
Cancelled
<1%
MOSTLY HISTORY
WEATHER FORECASTS
LIVE
IN THE AIR
0%
10%
20%
30%
40%
5.0d
2d
Now
1d
12h
6h
Departs
Lands
Arrive at LAX more than 15 minutes late?
Calm-weather odds: 17% · changed −2 pts in 24h
−2 pts
21%
Yes 21%
No 79%
Leave OAK more than 15 minutes late?
Calm-weather odds: 28% · changed +0 pts in 24h
+0 pts
32%
Yes 32%
No 68%
Arrive at LAX more than an hour late?
Calm-weather odds: 5% · changed +1 pt in 24h
+1 pt
6%
Yes 6%
No 94%
Cancelled?
Calm-weather odds: <1% · changed +0 pts in 24h
+0 pts
<1%
Yes <1%
No 100%
How late will it get to LAX?
On time or early
79%
15–30 min late
5%
30 min–1 hour late
10%
1–2 hours late
4%
Over 2 hours late
2%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.
What’s moving the odds
↑
Later flights pick up delays from earlier in the day
↑
Arrivals into LAX at that hour are often late
↑
7pm departures from OAK are often late
↓
Mostly benign weather forecast at LAX
↓
Cloud base down to 400 ft forecast at OAK that day
Weather at each end
OAK (origin)
Gusts 11 kt Ceiling 400 ft Visibility 9 mi Precip none
LAX (destination)
Gusts 14 kt Ceiling none (clear) Visibility 10+ mi Precip none
How this resolves
Yes if the gate arrival is more than 15 minutes after the scheduled arrival. Cancelled or diverted flights resolve N/A.
Every question here is display only — there is no betting or money involved. Gate times come from the airline; a cancellation resolves only the “Cancelled?” question, and a diversion voids the delay questions.