About 1 in 9 DL 3777 flights from Fresno arrived 15+ minutes late, diverted or cancelled over the past year (11%); 0.3% were cancelled. The typical flight landed 11 minutes early.
DL 3777: FAT → SLC
Scheduled to leave Fresno at 5:15 p.m. local time, operated by SkyWest as OO 3777. Over the past year it arrived on time 89% of the time (345 flights), in line with other DL flights on the route at that hour (89%). Last seen in the data Aug 31, 2026.
Usually Delta Air Lines's last flight of the day from Fresno to Salt Lake City (100% of days). Delta Air Lines's last FAT–SLC flight was cancelled 0.3% of the time, against 0.6% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 6:09 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 52 | 88% |
| Tuesday | 51 | 90% |
| Wednesday | 51 | 86% |
| Thursday | 51 | 92% |
| Friday | 50 | 88% |
| Saturday | 39 | 87% |
| Sunday | 51 | 90% |
Why it was late
All flights FAT → SLC · Connecting off DL 3777? Check the risk
DL 3777: SLC → FAT
Scheduled to leave Salt Lake City at 3:46 p.m. local time, operated by SkyWest as OO 3777. Over the past year it arrived on time 92% of the time (345 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
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 52 | 88% |
| Tuesday | 51 | 90% |
| Wednesday | 51 | 94% |
| Thursday | 51 | 96% |
| Friday | 50 | 94% |
| Saturday | 39 | 87% |
| Sunday | 51 | 92% |
Why it was late
All flights SLC → FAT · Connecting off DL 3777? Check the risk
Questions
How often is DL 3777 from FAT to SLC late?
Delta Air Lines 3777 from Fresno, CA to Salt Lake City, UT arrived 15 or more minutes late, was diverted or was cancelled on 11% of 345 scheduled flights between September 2025 and August 2026. 0.3% were cancelled.
How often is DL 3777 from SLC to FAT late?
Delta Air Lines 3777 from Salt Lake City, UT to Fresno, CA arrived 15 or more minutes late, was diverted or was cancelled on 8% of 345 scheduled flights between September 2025 and August 2026. 0.3% 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.