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

DL 1156 · Austin (AUS) → Boston (BOS)

Sold by Delta. Still flying: 56 of the last 56 days (Daily).

Arrives on time56%within 15 minutes, of 306 flights
Cancelled1.3%of scheduled flights
An hour or more late22%of flights that operated
When late, on average96 minlate, among flights 15+ min late

Schedule

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

Leaves AUS
14:25
Arrives BOS
19:41
Flight time
4h 16m
Days flown, last 8 weeks
56 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 late44%
30+ min late36%
1h+ late22%
2h+ late8%
20%40%60% 015301h1h302h3h

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

Its hour at AUS

All flights leaving Austin (AUS) at 2–3 pm, wherever they’re going: 70% left within 15 minutes and 0.8% were cancelled (6,153 flights in the year). Other Delta flights on this route →

Upcoming forecasts

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