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.
ALLEGIANT · FLIGHT G4 2
SCHEDULED · TYPICAL SCHEDULE
Saturday, October 3 Today
G4 2 · SFB → LAS
departs 9:34 PM ET · arrives 11:39 PM PT
Forecast issued Fri 11:00 PM ET · 23h before departure
Watch this flight
Odds over time
Arrive at LAS more than 15 minutes late?
37%
chance · ±2 pts
+4 pts · 24h
HOW SURE WE ARE
Good. The odds now lean mostly on firmed-up weather forecasts.
Arrive 15+ late
37%
Leave 15+ late
45%
Arrive 1h+ late
21%
Cancelled
3%
MOSTLY HISTORY
WEATHER FORECASTS
LIVE
IN THE AIR
0%
15%
30%
45%
60%
5.0d
2d
Now
12h
6h
Departs
Lands
Arrive at LAS more than 15 minutes late?
Calm-weather odds: 36% · changed +4 pts in 24h
+4 pts
37%
Yes 37%
No 63%
Leave SFB more than 15 minutes late?
Calm-weather odds: 42% · changed +6 pts in 24h
+6 pts
45%
Yes 45%
No 55%
Arrive at LAS more than an hour late?
Calm-weather odds: 11% · changed +7 pts in 24h
+7 pts
21%
Yes 21%
No 79%
Cancelled?
Calm-weather odds: <1% · changed +1 pt in 24h
+1 pt
3%
Yes 3%
No 97%
How late will it get to LAS?
On time or early
61%
15–30 min late
10%
30 min–1 hour late
5%
1–2 hours late
15%
Over 2 hours late
5%
Cancelled
3%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.
What’s moving the odds
↑
Thunderstorms forecast at SFB that day
↑
This flight has been late 26% of the time recently
↑
Later flights pick up delays from earlier in the day
↓
Mostly benign weather forecast at LAS
↓
SFB usually runs smoothly
Weather at each end
SFB (origin)
Gusts 16 kt Ceiling 9,000 ft Visibility 10+ mi Precip 0.13 in
LAS (destination)
Gusts 11 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.