Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
DL 721 · Santa Ana (SNA) → Atlanta (ATL)
Sold by Delta. Still flying: 56 of the last 56 days (Daily).
Arrives on time81%within 15 minutes, of 365 flights
Cancelled1.1%of scheduled flights
An hour or more late8%of flights that operated
When late, on average92 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (Atlanta is 3 h ahead of Santa Ana).
- Leaves SNA
- 06:45
- Arrives ATL
- 14:19
- Flight time
- 4h 29m
- 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.
Horizontal: minutes late at arrival (0 to 3 hours). Vertical: share of flights later than that.
Its hour at SNA
All flights leaving Santa Ana (SNA) at 6–7 am, wherever they’re going: 94% left within 15 minutes and 1.2% were cancelled (3,346 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.