Schedule: a typical summer Wednesday (the flights of Jul 29, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
ALLEGIANT · FLIGHT G4 2971
SCHEDULED · TYPICAL SCHEDULE
Wednesday, September 30
G4 2971 · MDT → SFB
departs 2:10 PM ET · arrives 4:26 PM ET
Forecast issued Wed 10:00 PM ET · 8h after departure
Watch this flight
Other days
Wed 9/30
Wed 10/7 22%
Odds over time
Arrive at SFB more than 15 minutes late?
21%
chance · ±0 pts
+5 pts · 24h
HOW SURE WE ARE
Very high. The odds now come almost entirely from live conditions.
Arrive 15+ late
21%
Leave 15+ late
30%
Arrive 1h+ late
9%
Cancelled
<1%
WEATHER FORECASTS
LIVE
IN THE AIR
0%
10%
20%
30%
40%
2.9d
2d
1d
12h
6h
Departs
Lands
Arrive at SFB more than 15 minutes late?
Calm-weather odds: 21% · changed +5 pts in 24h
+5 pts
21%
Yes 21%
No 79%
Leave MDT more than 15 minutes late?
Calm-weather odds: 30% · changed +0 pts in 24h
+0 pts
30%
Yes 30%
No 70%
Arrive at SFB more than an hour late?
Calm-weather odds: 9% · changed +2 pts in 24h
+2 pts
9%
Yes 9%
No 91%
Cancelled?
Calm-weather odds: <1% · changed +0 pts in 24h
+0 pts
<1%
Yes <1%
No 99%
How late will it get to SFB?
On time or early
78%
15–30 min late
2%
30 min–1 hour late
10%
1–2 hours late
6%
Over 2 hours late
3%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.
What’s moving the odds
↑
Arrivals into SFB at that hour are often late
↑
This flight has been late 21% of the time recently
↑
Mostly benign weather forecast at SFB
↓
Wednesdays in September are usually quieter than average
↓
Mostly benign weather forecast at MDT
Weather at each end
MDT (origin)
Gusts 6 kt Ceiling 4,600 ft Visibility 10+ mi Precip none
SFB (destination)
Gusts 8 kt Ceiling 7,500 ft Visibility 10+ mi Precip 0.21 in
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.