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DL 3798 on time

Delta Air Lines 3798: Salt Lake City to Kalispell at 3:40 p.m.; Kalispell to Salt Lake City at 6:10 p.m. (past 12 months). Figures below the title are for SLC → FCA, its busiest leg

On time
87%
323 flights · likely 83–91%
Cancelled
0.6%
of scheduled flights
Typical arrival
−4 min
median vs schedule
When late
+55 min
average delay
Similar flights
87%
DL, same route & hour

About 1 in 8 DL 3798 flights from Salt Lake City arrived 15+ minutes late, diverted or cancelled over the past year (13%); 0.6% were cancelled. The typical flight landed 4 minutes early.

DL 3798: SLC → FCA

Scheduled to leave Salt Lake City at 3:40 p.m. local time, operated by SkyWest as OO 3798. Over the past year it arrived on time 87% of the time (323 flights), in line with other DL flights on the route at that hour (87%). Last seen in the data Aug 30, 2026.

Month by month

40%70%100%Sep 2025: 93% on time (30 flights)93SepOct 2025: 93% on time (30 flights)93OctNov 2025: 89% on time (28 flights)89NovDec 2025: 89% on time (28 flights)89DecJan 2026: 80% on time (25 flights)80JanFeb 2026: 82% on time (22 flights)82FebMar 2026: 83% on time (30 flights)83MarApr 2026: 97% on time (30 flights)97AprMay 2026: 90% on time (31 flights)90MayJun 2026: 90% on time (30 flights)90JunJul 2026: 82% on time (17 flights)82JulAug 2026: 68% on time (22 flights)68Aug

By day of week

DayFlightsOn time
Monday5283%
Tuesday4493%
Wednesday4288%
Thursday4591%
Friday5188%
Saturday4185%
Sunday4883%

Why it was late

Airline (crew, maintenance, ops) 58%Severe weather 34%Air traffic & airport (NAS) 8%

All flights SLC → FCA · Connecting off DL 3798? Check the risk

DL 3798: FCA → SLC

Scheduled to leave Kalispell at 6:10 p.m. local time, operated by SkyWest as OO 3798. Over the past year it arrived on time 89% of the time (323 flights), in line with other DL flights on the route at that hour (88%). Last seen in the data Aug 30, 2026.

Usually Delta Air Lines's last flight of the day from Kalispell to Salt Lake City (100% of days). Delta Air Lines's last FCA–SLC flight was cancelled 0.9% of the time, against 0.9% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 5:19 a.m. the next morning.

Month by month

40%70%100%Sep 2025: 100% on time (30 flights)100SepOct 2025: 93% on time (30 flights)93OctNov 2025: 93% on time (28 flights)93NovDec 2025: 89% on time (28 flights)89DecJan 2026: 76% on time (25 flights)76JanFeb 2026: 91% on time (22 flights)91FebMar 2026: 93% on time (30 flights)93MarApr 2026: 97% on time (30 flights)97AprMay 2026: 84% on time (31 flights)84MayJun 2026: 87% on time (30 flights)87JunJul 2026: 76% on time (17 flights)76JulAug 2026: 73% on time (22 flights)73Aug

By day of week

DayFlightsOn time
Monday5288%
Tuesday4495%
Wednesday4283%
Thursday4587%
Friday5186%
Saturday4188%
Sunday4892%

Why it was late

Airline (crew, maintenance, ops) 55%Severe weather 41%Air traffic & airport (NAS) 4%

All flights FCA → SLC · Connecting off DL 3798? Check the risk

Questions

How often is DL 3798 from SLC to FCA late?

Delta Air Lines 3798 from Salt Lake City, UT to Kalispell, MT arrived 15 or more minutes late, was diverted or was cancelled on 13% of 323 scheduled flights between September 2025 and August 2026. 0.6% were cancelled.

How often is DL 3798 from FCA to SLC late?

Delta Air Lines 3798 from Kalispell, MT to Salt Lake City, UT arrived 15 or more minutes late, was diverted or was cancelled on 11% of 323 scheduled flights between September 2025 and August 2026. 0.9% 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.