Schedule: a typical Wednesday (the flights of Jul 29, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.
ALLEGIANT · FLIGHT G4 438
SCHEDULED · TYPICAL SCHEDULE
Wednesday, September 30 Today
G4 438 · DSM → VPS
departs 10:15 AM CT · arrives 12:36 PM CT
Forecast issued Wed 6:00 AM ET · 5h before departure
Watch this flight
Odds over time
Arrive at VPS more than 15 minutes late?
20%
chance · ±1 pts
+2 pts · 24h
HOW SURE WE ARE
High. The odds now come mostly from live FAA and airport data.
Arrive 15+ late
20%
Leave 15+ late
13%
Arrive 1h+ late
7%
Cancelled
1%
WEATHER FORECASTS
LIVE
IN THE AIR
0%
10%
20%
30%
40%
2.9d
2d
1d
12h
Now
Departs
Lands
Arrive at VPS more than 15 minutes late?
Calm-weather odds: 14% · changed +2 pts in 24h
+2 pts
20%
Yes 20%
No 80%
Leave DSM more than 15 minutes late?
Calm-weather odds: 11% · changed +3 pts in 24h
+3 pts
13%
Yes 13%
No 87%
Arrive at VPS more than an hour late?
Calm-weather odds: 5% · changed +1 pt in 24h
+1 pt
7%
Yes 7%
No 93%
Cancelled?
Calm-weather odds: <1% · changed −1 pt in 24h
−1 pt
1%
Yes 1%
No 99%
How late will it get to VPS?
On time or early
79%
15–30 min late
6%
30 min–1 hour late
7%
1–2 hours late
3%
Over 2 hours late
4%
Cancelled
1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.
What’s moving the odds
↑
Cloud base down to 600 ft, visibility down to 1.75 mi, 1.7 in of rain forecast at DSM that day
↑
This flight has been late 24% of the time recently
↑
Other factors
↓
Wednesdays in September are usually quieter than average
↓
DSM usually runs smoothly
Weather at each end
DSM (origin)
Gusts 11 kt Ceiling 600 ft Visibility 1.75 mi Precip 1.68 in
VPS (destination)
Gusts 16 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.