ON TIMEBOARD

DL 358 on time

Delta Air Lines 358: Seattle to Tampa at 11:55 a.m. (past 12 months)

On time
77%
363 flights · likely 73–81%
Cancelled
0.5%
of scheduled flights
Typical arrival
−3 min
median vs schedule
When late
+57 min
average delay
Similar flights
76%
DL, same route & hour

About 1 in 4 DL 358 flights from Seattle arrived 15+ minutes late, diverted or cancelled over the past year (23%); 0.5% were cancelled. The typical flight landed 3 minutes early.

DL 358: SEA → TPA

Scheduled to leave Seattle at 11:55 a.m. local time. Over the past year it arrived on time 77% of the time (363 flights), in line with other DL flights on the route at that hour (76%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 90% on time (30 flights)90SepOct 2025: 80% on time (30 flights)80OctNov 2025: 83% on time (29 flights)83NovDec 2025: 55% on time (31 flights)55DecJan 2026: 74% on time (31 flights)74JanFeb 2026: 79% on time (28 flights)79FebMar 2026: 71% on time (31 flights)71MarApr 2026: 90% on time (30 flights)90AprMay 2026: 81% on time (31 flights)81MayJun 2026: 87% on time (30 flights)87JunJul 2026: 65% on time (31 flights)65JulAug 2026: 77% on time (31 flights)77Aug

By day of week

DayFlightsOn time
Monday5374%
Tuesday5281%
Wednesday5279%
Thursday5180%
Friday5173%
Saturday5287%
Sunday5269%

Why it was late

Airline (crew, maintenance, ops) 41%Air traffic & airport (NAS) 28%Severe weather 17%Late inbound plane 14%

All flights SEA → TPA · Connecting off DL 358? Check the risk

Questions

How often is DL 358 from SEA to TPA late?

Delta Air Lines 358 from Seattle, WA to Tampa, FL arrived 15 or more minutes late, was diverted or was cancelled on 23% of 363 scheduled flights between September 2025 and August 2026. 0.5% 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.