About 1 in 11 DL 4112 flights from Salt Lake City arrived 15+ minutes late, diverted or cancelled over the past year (9%); 2.8% were cancelled. The typical flight landed 10 minutes early.
DL 4112: SLC → MSO
Scheduled to leave Salt Lake City at 10:45 a.m. local time, operated by SkyWest as OO 4112. Over the past year it arrived on time 91% of the time (252 flights), in line with other DL flights on the route at that hour (89%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 38 | 92% |
| Tuesday | 35 | 100% |
| Wednesday | 35 | 86% |
| Thursday | 36 | 94% |
| Friday | 36 | 86% |
| Saturday | 36 | 86% |
| Sunday | 36 | 92% |
Why it was late
All flights SLC → MSO · Connecting off DL 4112? Check the risk
DL 4112: MSO → SLC
Scheduled to leave Missoula at 1:13 p.m. local time, operated by SkyWest as OO 4112. Over the past year it arrived on time 90% of the time (252 flights), in line with other DL flights on the route at that hour (89%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 38 | 92% |
| Tuesday | 35 | 97% |
| Wednesday | 35 | 83% |
| Thursday | 36 | 94% |
| Friday | 36 | 86% |
| Saturday | 36 | 83% |
| Sunday | 36 | 94% |
Why it was late
All flights MSO → SLC · Connecting off DL 4112? Check the risk
Questions
How often is DL 4112 from SLC to MSO late?
Delta Air Lines 4112 from Salt Lake City, UT to Missoula, MT arrived 15 or more minutes late, was diverted or was cancelled on 9% of 252 scheduled flights between September 2025 and August 2026. 2.8% were cancelled.
How often is DL 4112 from MSO to SLC late?
Delta Air Lines 4112 from Missoula, MT to Salt Lake City, UT arrived 15 or more minutes late, was diverted or was cancelled on 10% of 252 scheduled flights between September 2025 and August 2026. 2.8% 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.