ON TIMEBOARD

DL 652 on time

Delta Air Lines 652: Seattle to Atlanta at 11:59 p.m. (past 12 months)

On time
88%
348 flights · likely 84–91%
Cancelled
0.6%
of scheduled flights
Typical arrival
−7 min
median vs schedule
When late
+55 min
average delay
Similar flights
87%
DL, same route & hour

About 1 in 8 DL 652 flights from Seattle arrived 15+ minutes late, diverted or cancelled over the past year (12%); 0.6% were cancelled. The typical flight landed 7 minutes early.

DL 652: SEA → ATL

Scheduled to leave Seattle at 11:59 p.m. local time. Over the past year it arrived on time 88% of the time (348 flights), in line with other DL flights on the route at that hour (87%). Last seen in the data Aug 31, 2026.

Usually Delta Air Lines's last flight of the day from Seattle to Atlanta (100% of days). Delta Air Lines's last SEA–ATL flight was cancelled 0.8% of the time, against 0.7% 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

40%70%100%Sep 2025: 80% on time (30 flights)80SepOct 2025: 94% on time (31 flights)94OctNov 2025: 93% on time (29 flights)93NovDec 2025: 95% on time (19 flights)95DecJan 2026: 100% on time (27 flights)100JanFeb 2026: 96% on time (28 flights)96FebMar 2026: 55% on time (31 flights)55MarApr 2026: 90% on time (30 flights)90AprMay 2026: 81% on time (31 flights)81MayJun 2026: 100% on time (30 flights)100JunJul 2026: 94% on time (31 flights)94JulAug 2026: 87% on time (31 flights)87Aug

By day of week

DayFlightsOn time
Monday5186%
Tuesday5090%
Wednesday5092%
Thursday5086%
Friday5076%
Saturday4898%
Sunday4990%

Why it was late

Airline (crew, maintenance, ops) 54%Late inbound plane 36%Air traffic & airport (NAS) 10%

All flights SEA → ATL · Connecting off DL 652? Check the risk

Questions

How often is DL 652 from SEA to ATL late?

Delta Air Lines 652 from Seattle, WA to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 12% of 348 scheduled flights between September 2025 and August 2026. 0.6% 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.