ON TIMEBOARD

DL 558 on time

Delta Air Lines 558: Seattle to Cincinnati at 11:45 a.m. (past 12 months)

On time
88%
346 flights · likely 85–91%
Cancelled
0.9%
of scheduled flights
Typical arrival
−14 min
median vs schedule
When late
+60 min
average delay
Similar flights
88%
DL, same route & hour

About 1 in 9 DL 558 flights from Seattle arrived 15+ minutes late, diverted or cancelled over the past year (12%); 0.9% were cancelled. The typical flight landed 14 minutes early.

DL 558: SEA → CVG

Scheduled to leave Seattle at 11:45 a.m. local time. Over the past year it arrived on time 88% of the time (346 flights), in line with other DL flights on the route at that hour (88%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 97% on time (30 flights)97SepOct 2025: 97% on time (30 flights)97OctNov 2025: 89% on time (28 flights)89NovDec 2025: 100% on time (19 flights)100DecJan 2026: 70% on time (27 flights)70JanFeb 2026: 89% on time (28 flights)89FebMar 2026: 84% on time (31 flights)84MarApr 2026: 80% on time (30 flights)80AprMay 2026: 90% on time (31 flights)90MayJun 2026: 87% on time (30 flights)87JunJul 2026: 87% on time (31 flights)87JulAug 2026: 94% on time (31 flights)94Aug

By day of week

DayFlightsOn time
Monday5190%
Tuesday5090%
Wednesday5090%
Thursday4988%
Friday4990%
Saturday4888%
Sunday4984%

Why it was late

Airline (crew, maintenance, ops) 57%Late inbound plane 27%Air traffic & airport (NAS) 14%Severe weather 3%

All flights SEA → CVG · Connecting off DL 558? Check the risk

Questions

How often is DL 558 from SEA to CVG late?

Delta Air Lines 558 from Seattle, WA to Cincinnati, OH arrived 15 or more minutes late, was diverted or was cancelled on 12% of 346 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.