ON TIMEBOARD

DL 4036 on time

Delta Air Lines 4036: Bend to Seattle at 7:00 a.m. (past 12 months)

On time
87%
365 flights · likely 84–90%
Cancelled
1.4%
of scheduled flights
Typical arrival
−16 min
median vs schedule
When late
+76 min
average delay
Similar flights
93%
DL, same route & hour

About 1 in 8 DL 4036 flights from Bend arrived 15+ minutes late, diverted or cancelled over the past year (13%); 1.4% were cancelled. The typical flight landed 16 minutes early.

DL 4036: RDM → SEA

Scheduled to leave Bend at 7:00 a.m. local time, operated by SkyWest as OO 4036. Over the past year it arrived on time 87% of the time (365 flights), worse than other DL flights on the route at that hour (93%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 90% on time (30 flights)90SepOct 2025: 87% on time (31 flights)87OctNov 2025: 90% on time (30 flights)90NovDec 2025: 81% on time (31 flights)81DecJan 2026: 74% on time (31 flights)74JanFeb 2026: 71% on time (28 flights)71FebMar 2026: 87% on time (31 flights)87MarApr 2026: 83% on time (30 flights)83AprMay 2026: 94% on time (31 flights)94MayJun 2026: 93% on time (30 flights)93JunJul 2026: 100% on time (31 flights)100JulAug 2026: 97% on time (31 flights)97Aug

By day of week

DayFlightsOn time
Monday5379%
Tuesday5290%
Wednesday5288%
Thursday5287%
Friday5288%
Saturday5287%
Sunday5292%

Why it was late

Airline (crew, maintenance, ops) 67%Severe weather 25%Air traffic & airport (NAS) 7%Security 1%

All flights RDM → SEA · Connecting off DL 4036? Check the risk

Questions

How often is DL 4036 from RDM to SEA late?

Delta Air Lines 4036 from Bend/Redmond, OR to Seattle, WA arrived 15 or more minutes late, was diverted or was cancelled on 13% of 365 scheduled flights between September 2025 and August 2026. 1.4% 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.