About 1 in 12 DL 4324 flights from Twin Falls arrived 15+ minutes late, diverted or cancelled over the past year (8%); 0.0% were cancelled. The typical flight landed 14 minutes early.
DL 4324: TWF → SLC
Scheduled to leave Twin Falls at 3:25 p.m. local time, operated by SkyWest as OO 4324. Over the past year it arrived on time 92% of the time (137 flights), in line with other DL flights on the route at that hour (93%). Last seen in the data Aug 31, 2026.
Usually Delta Air Lines's last flight of the day from Twin Falls to Salt Lake City (100% of days). Delta Air Lines's last TWF–SLC flight was cancelled 0.6% of the time, against 0.4% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 6:15 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 26 | 92% |
| Tuesday | 6 | — |
| Wednesday | 25 | 100% |
| Thursday | 25 | 88% |
| Friday | 25 | 92% |
| Saturday | 5 | — |
| Sunday | 25 | 88% |
Why it was late
All flights TWF → SLC · Connecting off DL 4324? Check the risk
DL 4324: SLC → TWF
Scheduled to leave Salt Lake City at 1:40 p.m. local time, operated by SkyWest as OO 4324. Over the past year it arrived on time 91% of the time (137 flights), in line with other DL flights on the route at that hour (90%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 26 | 88% |
| Tuesday | 6 | — |
| Wednesday | 25 | 96% |
| Thursday | 25 | 88% |
| Friday | 25 | 92% |
| Saturday | 5 | — |
| Sunday | 25 | 92% |
Why it was late
All flights SLC → TWF · Connecting off DL 4324? Check the risk
Questions
How often is DL 4324 from TWF to SLC late?
Delta Air Lines 4324 from Twin Falls, ID to Salt Lake City, UT arrived 15 or more minutes late, was diverted or was cancelled on 8% of 137 scheduled flights between September 2025 and August 2026. 0.0% were cancelled.
How often is DL 4324 from SLC to TWF late?
Delta Air Lines 4324 from Salt Lake City, UT to Twin Falls, ID arrived 15 or more minutes late, was diverted or was cancelled on 9% of 137 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.