Flight history · Aug 2025 – Jul 2026 · US DOT on-time records

G4 234 · Dulles (IAD) → Austin (AUS)

Sold by Allegiant. Still flying: 15 of the last 56 days (Mon, Fri).

Arrives on time60%within 15 minutes, of 20 flights
Cancelled0.0%of scheduled flights
An hour or more late20%of flights that operated
When late, on average62 minlate, among flights 15+ min late

Schedule

Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (Austin is 1 h behind Dulles).

Leaves IAD
16:30
Arrives AUS
18:46
Flight time
3h 16m
Days flown, last 8 weeks
15 of 56

Each square is a day, Sat Jun 6 to Fri Jul 31, two weeks per row (each column is the same weekday); filled = flew.

How late it arrives

Share of flights that operated arriving more than this late.

15+ min late40%
30+ min late35%
1h+ late20%
2h+ late0%
10%20%30%40%50% 015301h1h302h3h

Horizontal: minutes late at arrival (0 to 3 hours). Vertical: share of flights later than that.

Its hour at IAD

All flights leaving Dulles (IAD) at 4–5 pm, wherever they’re going: 77% left within 15 minutes and 1.5% were cancelled (1,017 flights in the year). Other Allegiant flights on this route →

Upcoming forecasts

Our odds that this flight is late or cancelled on the days we publish.