Schedule: a typical summer Sunday (the flights of Jul 26, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.

ALLEGIANT · FLIGHT G4 3723 SCHEDULED · TYPICAL SCHEDULE
Tomorrow

G4 3723 · LSE → SFB

departs 5:30 PM CT · arrives 9:30 PM ET
Forecast issued Sat 4:00 PM ET · 26h before departure

Odds over time

Arrive at SFB more than 15 minutes late?
34% chance · ±2 pts −3 pts · 24h
HOW SURE WE ARE Moderate. The odds now blend history with early weather forecasts.
MOSTLY HISTORY WEATHER FORECASTS LIVE IN THE AIR 0% 15% 30% 45% 60% 5.9d 2d Now 12h 6h Departs Lands

How late will it get to SFB?

  1. On time or early
    65%
  2. 15–30 min late
    11%
  3. 30 min–1 hour late
    0%
  4. 1–2 hours late
    15%
  5. Over 2 hours late
    8%
  6. Cancelled
    1%

Gate arrival compared with the scheduled arrival. The ranges add up to 100%.