Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
DL 635 · Boise (BOI) → Atlanta (ATL)
Sold by Delta. Still flying: 40 of the last 56 days (Mon, Tue, Wed, Thu, Fri, Sun).
Arrives on time78%within 15 minutes, of 40 flights
Cancelled0.0%of scheduled flights
An hour or more late10%of flights that operated
When late, on average56 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (Atlanta is 2 h ahead of Boise).
- Leaves BOI
- 23:10
- Arrives ATL
- 05:16
- Flight time
- 4h 06m
- Days flown, last 8 weeks
- 40 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 BOI
All flights leaving Boise (BOI) at 11 pm–12 am, wherever they’re going: 68% left within 15 minutes and 0.6% were cancelled (180 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.