ON TIMEBOARD

DL 3735 on time

Delta Air Lines 3735: Seattle to Bend at 9:25 a.m.; Bend to Seattle at 11:35 a.m. (past 12 months). Figures below the title are for SEA → RDM, its busiest leg

On time
86%
349 flights · likely 82–89%
Cancelled
2.3%
of scheduled flights
Typical arrival
−10 min
median vs schedule
When late
+54 min
average delay
Similar flights
84%
DL, same route & hour

About 1 in 7 DL 3735 flights from Seattle arrived 15+ minutes late, diverted or cancelled over the past year (14%); 2.3% were cancelled. The typical flight landed 10 minutes early.

DL 3735: SEA → RDM

Scheduled to leave Seattle at 9:25 a.m. local time, operated by SkyWest as OO 3735. Over the past year it arrived on time 86% of the time (349 flights), in line with other DL flights on the route at that hour (84%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 97% on time (30 flights)97SepOct 2025: 90% on time (31 flights)90OctNov 2025: 67% on time (30 flights)67NovDec 2025: 84% on time (19 flights)84DecJan 2026: 81% on time (27 flights)81JanFeb 2026: 79% on time (28 flights)79FebMar 2026: 81% on time (31 flights)81MarApr 2026: 93% on time (30 flights)93AprMay 2026: 94% on time (31 flights)94MayJun 2026: 90% on time (30 flights)90JunJul 2026: 90% on time (31 flights)90JulAug 2026: 81% on time (31 flights)81Aug

By day of week

DayFlightsOn time
Monday5186%
Tuesday5086%
Wednesday5090%
Thursday5080%
Friday5086%
Saturday4986%
Sunday4986%

Why it was late

Airline (crew, maintenance, ops) 50%Severe weather 34%Air traffic & airport (NAS) 16%

All flights SEA → RDM · Connecting off DL 3735? Check the risk

DL 3735: RDM → SEA

Scheduled to leave Bend at 11:35 a.m. local time, operated by SkyWest as OO 3735. Over the past year it arrived on time 86% of the time (318 flights), in line with other DL flights on the route at that hour (87%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 93% on time (30 flights)93SepOct 2025: 94% on time (31 flights)94OctNov 2025: 73% on time (30 flights)73NovDec 2025: 84% on time (19 flights)84DecJan 2026: 89% on time (27 flights)89JanFeb 2026: 82% on time (28 flights)82FebMar 2026: 81% on time (31 flights)81MarApr 2026: 97% on time (30 flights)97AprMay 2026: too few flights (6 flights)MayJun 2026: 92% on time (24 flights)92JunJul 2026: 77% on time (31 flights)77JulAug 2026: 84% on time (31 flights)84Aug

By day of week

DayFlightsOn time
Monday4787%
Tuesday4685%
Wednesday4691%
Thursday4582%
Friday4584%
Saturday4486%
Sunday4587%

Why it was late

Airline (crew, maintenance, ops) 45%Severe weather 29%Air traffic & airport (NAS) 26%

All flights RDM → SEA · Connecting off DL 3735? Check the risk

Questions

How often is DL 3735 from SEA to RDM late?

Delta Air Lines 3735 from Seattle, WA to Bend/Redmond, OR arrived 15 or more minutes late, was diverted or was cancelled on 14% of 349 scheduled flights between September 2025 and August 2026. 2.3% were cancelled.

How often is DL 3735 from RDM to SEA late?

Delta Air Lines 3735 from Bend/Redmond, OR to Seattle, WA arrived 15 or more minutes late, was diverted or was cancelled on 14% of 318 scheduled flights between September 2025 and August 2026. 2.5% 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.