Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
DL 1651 · Houston (IAH) → Atlanta (ATL)
Sold by Delta. Still flying: 1 of the last 56 days.
Arrives on time55%within 15 minutes, of 31 flights
Cancelled0.0%of scheduled flights
An hour or more late23%of flights that operated
When late, on average83 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (Atlanta is 1 h ahead of Houston).
- Leaves IAH
- 17:25
- Arrives ATL
- 20:39
- Flight time
- 2h 14m
- 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 IAH
All flights leaving Houston (IAH) at 5–6 pm, wherever they’re going: 72% left within 15 minutes and 1.9% were cancelled (4,270 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.