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Delta Air Lines / IDA → SLC

DL 3765 on time

Delta Air Lines 3765: Idaho Falls to Salt Lake City at 1:10 p.m.; Salt Lake City to Idaho Falls at 11:20 a.m. (past 12 months). Figures below the title are for IDA → SLC, its busiest leg

On time
92%
239 flights · likely 87–95%
Cancelled
0.0%
of scheduled flights
Typical arrival
−15 min
median vs schedule
When late
+83 min
average delay
Similar flights
92%
DL, same route & hour

About 1 in 12 DL 3765 flights from Idaho Falls arrived 15+ minutes late, diverted or cancelled over the past year (8%); 0.0% were cancelled. The typical flight landed 15 minutes early.

DL 3765: IDA → SLC

Scheduled to leave Idaho Falls at 1:10 p.m. local time, operated by SkyWest as OO 3765. Over the past year it arrived on time 92% of the time (239 flights), in line with other DL flights on the route at that hour (92%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Jan 2026: 93% on time (27 flights)93JanFeb 2026: 93% on time (28 flights)93FebMar 2026: 87% on time (31 flights)87MarApr 2026: 97% on time (30 flights)97AprMay 2026: 90% on time (31 flights)90MayJun 2026: 97% on time (30 flights)97JunJul 2026: 84% on time (31 flights)84JulAug 2026: 94% on time (31 flights)94Aug

By day of week

DayFlightsOn time
Monday3591%
Tuesday3491%
Wednesday3491%
Thursday3488%
Friday3497%
Saturday3494%
Sunday3488%

Why it was late

Airline (crew, maintenance, ops) 69%Severe weather 30%Air traffic & airport (NAS) 1%

All flights IDA → SLC · Connecting off DL 3765? Check the risk

DL 3765: SLC → IDA

Scheduled to leave Salt Lake City at 11:20 a.m. local time, operated by SkyWest as OO 3765. Over the past year it arrived on time 93% of the time (208 flights), in line with other DL flights on the route at that hour (92%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Jan 2026: 96% on time (27 flights)96JanFeb 2026: 93% on time (28 flights)93FebMar 2026: 90% on time (31 flights)90MarApr 2026: 93% on time (30 flights)93AprMay 2026: too few flights (6 flights)MayJun 2026: 96% on time (24 flights)96JunJul 2026: 90% on time (31 flights)90JulAug 2026: 94% on time (31 flights)94Aug

By day of week

DayFlightsOn time
Monday3194%
Tuesday3093%
Wednesday3093%
Thursday2986%
Friday29100%
Saturday2993%
Sunday3093%

Why it was late

Airline (crew, maintenance, ops) 56%Severe weather 37%Air traffic & airport (NAS) 7%

All flights SLC → IDA · Connecting off DL 3765? Check the risk

Questions

How often is DL 3765 from IDA to SLC late?

Delta Air Lines 3765 from Idaho Falls, ID to Salt Lake City, UT arrived 15 or more minutes late, was diverted or was cancelled on 8% of 239 scheduled flights between September 2025 and August 2026. 0.0% were cancelled.

How often is DL 3765 from SLC to IDA late?

Delta Air Lines 3765 from Salt Lake City, UT to Idaho Falls, ID arrived 15 or more minutes late, was diverted or was cancelled on 7% of 208 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.