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 1353 SCHEDULED · TYPICAL SCHEDULE

G4 1353 · SRQ → IAD

departs 6:11 AM ET · arrives 8:36 AM ET
Forecast issued Fri 10:00 AM ET · 44h before departure

Odds over time

Arrive at IAD more than 15 minutes late?
8% chance · ±0 pts +0 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% 3% 6% 9% 12% 5.3d Now 1d 12h 6h Departs Lands

How late will it get to IAD?

  1. On time or early
    91%
  2. 15–30 min late
    3%
  3. 30 min–1 hour late
    1%
  4. 1–2 hours late
    2%
  5. Over 2 hours late
    2%
  6. Cancelled
    1%

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