About 1 in 13 DL 4310 flights from Cedar City arrived 15+ minutes late, diverted or cancelled over the past year (8%); 0.4% were cancelled. The typical flight landed 14 minutes early.
DL 4310: CDC → SLC
Scheduled to leave Cedar City at 6:50 p.m. local time, operated by SkyWest as OO 4310. Over the past year it arrived on time 92% of the time (272 flights), in line with other DL flights on the route at that hour (91%). Last seen in the data Aug 31, 2026.
Usually Delta Air Lines's last flight of the day from Cedar City to Salt Lake City (98% of days). Delta Air Lines's last CDC–SLC flight was cancelled 0.4% of the time, against 0.8% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 9:27 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 53 | 87% |
| Tuesday | 8 | — |
| Wednesday | 19 | — |
| Thursday | 50 | 92% |
| Friday | 52 | 90% |
| Saturday | 38 | 100% |
| Sunday | 52 | 94% |
Why it was late
All flights CDC → SLC · Connecting off DL 4310? Check the risk
DL 4310: SLC → CDC
Scheduled to leave Salt Lake City at 5:10 p.m. local time, operated by SkyWest as OO 4310. Over the past year it arrived on time 94% of the time (272 flights), in line with other DL flights on the route at that hour (95%). Last seen in the data Aug 31, 2026.
Usually Delta Air Lines's last flight of the day from Salt Lake City to Cedar City (98% of days). Delta Air Lines's last SLC–CDC flight was cancelled 0.4% of the time, against 0.8% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 7:45 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 53 | 92% |
| Tuesday | 8 | — |
| Wednesday | 19 | — |
| Thursday | 50 | 90% |
| Friday | 52 | 98% |
| Saturday | 38 | 97% |
| Sunday | 52 | 92% |
Why it was late
All flights SLC → CDC · Connecting off DL 4310? Check the risk
Questions
How often is DL 4310 from CDC to SLC late?
Delta Air Lines 4310 from Cedar City, UT to Salt Lake City, UT arrived 15 or more minutes late, was diverted or was cancelled on 8% of 272 scheduled flights between September 2025 and August 2026. 0.4% were cancelled.
How often is DL 4310 from SLC to CDC late?
Delta Air Lines 4310 from Salt Lake City, UT to Cedar City, UT arrived 15 or more minutes late, was diverted or was cancelled on 6% of 272 scheduled flights between September 2025 and August 2026. 0.4% 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.