Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
DL 4129 · Minneapolis (MSP) → Dulles (IAD)
Sold by Delta, flown by SkyWest. Still flying: 56 of the last 56 days (Daily).
Arrives on time78%within 15 minutes, of 223 flights
Cancelled2.2%of scheduled flights
An hour or more late7%of flights that operated
When late, on average91 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (Dulles is 1 h ahead of Minneapolis).
- Leaves MSP
- 19:55
- Arrives IAD
- 23:25
- Flight time
- 2h 30m
- 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 MSP
All flights leaving Minneapolis (MSP) at 7–8 pm, wherever they’re going: 74% left within 15 minutes and 1.8% were cancelled (7,052 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.