ON TIMEBOARD

DL 4062 on time

Delta Air Lines 4062: Portland to Seattle at 3:30 p.m.; Seattle to Portland at 1:40 p.m. (past 12 months). Figures below the title are for PDX → SEA, its busiest leg

On time
88%
141 flights · likely 82–92%
Cancelled
0.0%
of scheduled flights
Typical arrival
−13 min
median vs schedule
When late
+60 min
average delay
Similar flights
90%
DL, same route & hour

About 1 in 8 DL 4062 flights from Portland arrived 15+ minutes late, diverted or cancelled over the past year (12%); 0.0% were cancelled. The typical flight landed 13 minutes early.

DL 4062: PDX → SEA

Scheduled to leave Portland at 3:30 p.m. local time, operated by SkyWest as OO 4062. Over the past year it arrived on time 88% of the time (141 flights), in line with other DL flights on the route at that hour (90%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Apr 2026: 94% on time (18 flights)94AprMay 2026: 87% on time (31 flights)87MayJun 2026: 90% on time (30 flights)90JunJul 2026: 87% on time (31 flights)87JulAug 2026: 84% on time (31 flights)84Aug

By day of week

DayFlightsOn time
Monday2186%
Tuesday2090%
Wednesday2090%
Thursday2085%
Friday2090%
Saturday2090%
Sunday2085%

Why it was late

Airline (crew, maintenance, ops) 63%Severe weather 24%Air traffic & airport (NAS) 13%

All flights PDX → SEA · Connecting off DL 4062? Check the risk

DL 4062: SEA → PDX

Scheduled to leave Seattle at 1:40 p.m. local time, operated by SkyWest as OO 4062. Over the past year it arrived on time 85% of the time (141 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%Apr 2026: 94% on time (18 flights)94AprMay 2026: 94% on time (31 flights)94MayJun 2026: 80% on time (30 flights)80JunJul 2026: 77% on time (31 flights)77JulAug 2026: 84% on time (31 flights)84Aug

By day of week

DayFlightsOn time
Monday2186%
Tuesday2085%
Wednesday2075%
Thursday2085%
Friday2085%
Saturday2095%
Sunday2085%

Why it was late

Airline (crew, maintenance, ops) 61%Severe weather 22%Air traffic & airport (NAS) 17%

All flights SEA → PDX · Connecting off DL 4062? Check the risk

Questions

How often is DL 4062 from PDX to SEA late?

Delta Air Lines 4062 from Portland, OR to Seattle, WA arrived 15 or more minutes late, was diverted or was cancelled on 12% of 141 scheduled flights between September 2025 and August 2026. 0.0% were cancelled.

How often is DL 4062 from SEA to PDX late?

Delta Air Lines 4062 from Seattle, WA to Portland, OR arrived 15 or more minutes late, was diverted or was cancelled on 15% of 141 scheduled flights between September 2025 and August 2026. 0.0% 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.