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

DL 2355 · Miami (MIA) → Seattle (SEA)

Sold by Delta. Still flying: 30 of the last 56 days (Daily).

Arrives on time93%within 15 minutes, of 30 flights
Cancelled0.0%of scheduled flights
An hour or more late0%of flights that operated
When late, on average18 minlate, among flights 15+ min late

Schedule

Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (Seattle is 3 h behind Miami).

Leaves MIA
06:30
Arrives SEA
10:00
Flight time
6h 30m
Days flown, last 8 weeks
30 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 late7%
30+ min late0%
1h+ late0%
2h+ late0%
10%20%30% 015301h1h302h3h

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

Its hour at MIA

All flights leaving Miami (MIA) at 6–7 am, wherever they’re going: 92% left within 15 minutes and 1.6% were cancelled (5,463 flights in the year). Other Delta flights on this route →

Upcoming forecasts

This flight isn’t in our published forecasts for the next few days.