ON TIMEBOARD

DL 2533 on time

Delta Air Lines 2533: San Diego to Seattle at 1:40 p.m.; Seattle to San Diego at 9:45 a.m. (past 12 months). Figures below the title are for SAN → SEA, its busiest leg

On time
80%
347 flights · likely 76–84%
Cancelled
0.9%
of scheduled flights
Typical arrival
−8 min
median vs schedule
When late
+54 min
average delay
Similar flights
80%
DL, same route & hour

About 1 in 5 DL 2533 flights from San Diego arrived 15+ minutes late, diverted or cancelled over the past year (20%); 0.9% were cancelled. The typical flight landed 8 minutes early.

DL 2533: SAN → SEA

Scheduled to leave San Diego at 1:40 p.m. local time. Over the past year it arrived on time 80% of the time (347 flights), in line with other DL flights on the route at that hour (80%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 90% on time (30 flights)90SepOct 2025: 94% on time (31 flights)94OctNov 2025: 70% on time (30 flights)70NovDec 2025: 71% on time (28 flights)71DecJan 2026: 93% on time (30 flights)93JanFeb 2026: 92% on time (24 flights)92FebMar 2026: 88% on time (26 flights)88MarApr 2026: 88% on time (26 flights)88AprMay 2026: 73% on time (30 flights)73MayJun 2026: 90% on time (30 flights)90JunJul 2026: 74% on time (31 flights)74JulAug 2026: 45% on time (31 flights)45Aug

By day of week

DayFlightsOn time
Monday5385%
Tuesday4988%
Wednesday4783%
Thursday5068%
Friday5273%
Saturday4486%
Sunday5281%

Why it was late

Late inbound plane 64%Airline (crew, maintenance, ops) 21%Air traffic & airport (NAS) 14%

All flights SAN → SEA · Connecting off DL 2533? Check the risk

DL 2533: SEA → SAN

Scheduled to leave Seattle at 9:45 a.m. local time. Over the past year it arrived on time 77% of the time (339 flights), better than other DL flights on the route at that hour (73%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 93% on time (30 flights)93SepOct 2025: 77% on time (31 flights)77OctNov 2025: 57% on time (30 flights)57NovDec 2025: 68% on time (28 flights)68DecJan 2026: 88% on time (26 flights)88JanFeb 2026: 95% on time (20 flights)95FebMar 2026: 88% on time (26 flights)88MarApr 2026: 77% on time (26 flights)77AprMay 2026: 77% on time (30 flights)77MayJun 2026: 87% on time (30 flights)87JunJul 2026: 71% on time (31 flights)71JulAug 2026: 52% on time (31 flights)52Aug

By day of week

DayFlightsOn time
Monday5379%
Tuesday4587%
Wednesday4379%
Thursday5068%
Friday5267%
Saturday4477%
Sunday5281%

Why it was late

Air traffic & airport (NAS) 51%Airline (crew, maintenance, ops) 44%Late inbound plane 5%

All flights SEA → SAN · Connecting off DL 2533? Check the risk

Questions

How often is DL 2533 from SAN to SEA late?

Delta Air Lines 2533 from San Diego, CA to Seattle, WA arrived 15 or more minutes late, was diverted or was cancelled on 20% of 347 scheduled flights between September 2025 and August 2026. 0.9% were cancelled.

How often is DL 2533 from SEA to SAN late?

Delta Air Lines 2533 from Seattle, WA to San Diego, CA arrived 15 or more minutes late, was diverted or was cancelled on 23% 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.