ON TIMEBOARD

DL 4047 on time

Delta Air Lines 4047: Seattle to Bend at 9:35 p.m. (past 12 months)

On time
86%
347 flights · likely 82–90%
Cancelled
2.0%
of scheduled flights
Typical arrival
−15 min
median vs schedule
When late
+70 min
average delay
Similar flights
86%
DL, same route & hour

About 1 in 7 DL 4047 flights from Seattle arrived 15+ minutes late, diverted or cancelled over the past year (14%); 2.0% were cancelled. The typical flight landed 15 minutes early.

DL 4047: SEA → RDM

Scheduled to leave Seattle at 9:35 p.m. local time, operated by SkyWest as OO 4047. Over the past year it arrived on time 86% of the time (347 flights), in line with other DL flights on the route at that hour (86%). Last seen in the data Aug 31, 2026.

Usually Delta Air Lines's last flight of the day from Seattle to Bend (100% of days). Delta Air Lines's last SEA–RDM flight was cancelled 1.9% of the time, against 1.6% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 11:22 a.m. the next morning.

Month by month

40%70%100%Sep 2025: 100% on time (30 flights)100SepOct 2025: 90% on time (31 flights)90OctNov 2025: 89% on time (28 flights)89NovDec 2025: 79% on time (19 flights)79DecJan 2026: 81% on time (27 flights)81JanFeb 2026: 75% on time (28 flights)75FebMar 2026: 87% on time (31 flights)87MarApr 2026: 93% on time (30 flights)93AprMay 2026: 87% on time (31 flights)87MayJun 2026: 93% on time (30 flights)93JunJul 2026: 84% on time (31 flights)84JulAug 2026: 74% on time (31 flights)74Aug

By day of week

DayFlightsOn time
Monday5186%
Tuesday5090%
Wednesday5084%
Thursday4982%
Friday4984%
Saturday4994%
Sunday4986%

Why it was late

Airline (crew, maintenance, ops) 66%Severe weather 29%Air traffic & airport (NAS) 5%

All flights SEA → RDM · Connecting off DL 4047? Check the risk

Questions

How often is DL 4047 from SEA to RDM late?

Delta Air Lines 4047 from Seattle, WA to Bend/Redmond, OR arrived 15 or more minutes late, was diverted or was cancelled on 14% of 347 scheduled flights between September 2025 and August 2026. 2.0% 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.