Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
DL 2645 · San Antonio (SAT) → Boston (BOS)
Sold by Delta. Still flying: 1 of the last 56 days.
Arrives on time69%within 15 minutes, of 31 flights
Cancelled3.2%of scheduled flights
An hour or more late14%of flights that operated
When late, on average53 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 San Antonio).
- Leaves SAT
- 13:11
- Arrives BOS
- 18:26
- Flight time
- 4h 15m
- Days flown, last 8 weeks
- 1 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.
Horizontal: minutes late at arrival (0 to 3 hours). Vertical: share of flights later than that.
Its hour at SAT
All flights leaving San Antonio (SAT) at 1–2 pm, wherever they’re going: 76% left within 15 minutes and 1.5% were cancelled (2,548 flights in the year). Other Delta flights on this route →
Upcoming forecasts
This flight isn’t in our published forecasts for the next few days.