ON TIMEBOARD

DL 565 on time

Delta Air Lines 565: Detroit to Seattle at 8:34 p.m. (past 12 months)

On time
61%
339 flights · likely 56–66%
Cancelled
0.9%
of scheduled flights
Typical arrival
+7 min
median vs schedule
When late
+82 min
average delay
Similar flights
60%
DL, same route & hour

About 1 in 3 DL 565 flights from Detroit arrived 15+ minutes late, diverted or cancelled over the past year (39%); 0.9% were cancelled. The typical flight landed 7 minutes late.

DL 565: DTW → SEA

Scheduled to leave Detroit at 8:34 p.m. local time. Over the past year it arrived on time 61% of the time (339 flights), in line with other DL flights on the route at that hour (60%). Last seen in the data Aug 31, 2026.

Usually Delta Air Lines's last flight of the day from Detroit to Seattle (100% of days). Delta Air Lines's last DTW–SEA flight was cancelled 0.8% of the time, against 0.8% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 6:00 a.m. the next morning.

Month by month

10%55%100%Sep 2025: 75% on time (20 flights)75SepOct 2025: 87% on time (30 flights)87OctNov 2025: 71% on time (28 flights)71NovDec 2025: 35% on time (31 flights)35DecJan 2026: 65% on time (31 flights)65JanFeb 2026: 58% on time (24 flights)58FebMar 2026: 22% on time (27 flights)22MarApr 2026: 58% on time (26 flights)58AprMay 2026: 57% on time (30 flights)57MayJun 2026: 60% on time (30 flights)60JunJul 2026: 74% on time (31 flights)74JulAug 2026: 71% on time (31 flights)71Aug

By day of week

DayFlightsOn time
Monday5153%
Tuesday5074%
Wednesday5060%
Thursday5060%
Friday5060%
Saturday3874%
Sunday5050%

Why it was late

Airline (crew, maintenance, ops) 63%Air traffic & airport (NAS) 18%Late inbound plane 18%Severe weather 1%

All flights DTW → SEA · Connecting off DL 565? Check the risk

Questions

How often is DL 565 from DTW to SEA late?

Delta Air Lines 565 from Detroit, MI to Seattle, WA arrived 15 or more minutes late, was diverted or was cancelled on 39% of 339 scheduled flights between September 2025 and August 2026. 0.9% were cancelled.

Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check Delta Air Lines for today's flight. Method.