Flight history · Aug 2025 – Jul 2026 · US DOT on-time records

DL 675 · Kansas City (MCI) → Boston (BOS)

Sold by Delta. Still flying: 56 of the last 56 days (Daily).

Arrives on time86%within 15 minutes, of 86 flights
Cancelled2.3%of scheduled flights
An hour or more late6%of flights that operated
When late, on average126 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 Kansas City).

Leaves MCI
09:40
Arrives BOS
13:49
Flight time
3h 15m
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.

15+ min late14%
30+ min late12%
1h+ late6%
2h+ late4%
10%20% 015301h1h302h3h

Horizontal: minutes late at arrival (0 to 3 hours). Vertical: share of flights later than that.

Its hour at MCI

All flights leaving Kansas City (MCI) at 9–10 am, wherever they’re going: 85% left within 15 minutes and 1.2% were cancelled (2,594 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.