ON TIMEBOARD

DL 2640 on time

Delta Air Lines 2640: Los Angeles to Seattle at 5:45 p.m. (past 12 months)

On time
81%
361 flights · likely 77–85%
Cancelled
0.8%
of scheduled flights
Typical arrival
−12 min
median vs schedule
When late
+56 min
average delay
Similar flights
83%
DL, same route & hour

About 1 in 5 DL 2640 flights from Los Angeles arrived 15+ minutes late, diverted or cancelled over the past year (19%); 0.8% were cancelled. The typical flight landed 12 minutes early.

DL 2640: LAX → SEA

Scheduled to leave Los Angeles at 5:45 p.m. local time. Over the past year it arrived on time 81% of the time (361 flights), in line with other DL flights on the route at that hour (83%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 90% on time (30 flights)90SepOct 2025: 90% on time (31 flights)90OctNov 2025: 90% on time (30 flights)90NovDec 2025: 82% on time (28 flights)82DecJan 2026: 80% on time (30 flights)80JanFeb 2026: 75% on time (28 flights)75FebMar 2026: 68% on time (31 flights)68MarApr 2026: 80% on time (30 flights)80AprMay 2026: 74% on time (31 flights)74MayJun 2026: 80% on time (30 flights)80JunJul 2026: 90% on time (31 flights)90JulAug 2026: 74% on time (31 flights)74Aug

By day of week

DayFlightsOn time
Monday5385%
Tuesday5285%
Wednesday5070%
Thursday5092%
Friday5277%
Saturday5285%
Sunday5275%

Why it was late

Airline (crew, maintenance, ops) 62%Late inbound plane 33%Air traffic & airport (NAS) 5%

All flights LAX → SEA · Connecting off DL 2640? Check the risk

Questions

How often is DL 2640 from LAX to SEA late?

Delta Air Lines 2640 from Los Angeles, CA to Seattle, WA arrived 15 or more minutes late, was diverted or was cancelled on 19% of 361 scheduled flights between September 2025 and August 2026. 0.8% 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.