About 1 in 9 DL 1451 flights from Salt Lake City arrived 15+ minutes late, diverted or cancelled over the past year (12%); 0.0% were cancelled. The typical flight landed 5 minutes early.
DL 1451: SLC → PHX
Scheduled to leave Salt Lake City at 5:25 p.m. local time. Over the past year it arrived on time 88% of the time (241 flights), in line with other DL flights on the route at that hour (88%). Last seen in the data Aug 30, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 43 | 91% |
| Tuesday | 34 | 91% |
| Wednesday | 32 | 88% |
| Thursday | 40 | 85% |
| Friday | 41 | 90% |
| Saturday | 9 | — |
| Sunday | 42 | 90% |
Why it was late
All flights SLC → PHX · Connecting off DL 1451? Check the risk
DL 1451: PHX → SLC
Scheduled to leave Phoenix at 7:20 p.m. local time. Over the past year it arrived on time 87% of the time (160 flights), in line with other DL flights on the route at that hour (86%). Last seen in the data Aug 30, 2026.
Usually Delta Air Lines's last flight of the day from Phoenix to Salt Lake City (100% of days). Delta Air Lines's last PHX–SLC flight was cancelled 0.3% of the time, against 0.7% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 6:00 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 30 | 80% |
| Tuesday | 22 | 77% |
| Wednesday | 20 | 90% |
| Thursday | 27 | 89% |
| Friday | 29 | 90% |
| Saturday | 3 | — |
| Sunday | 29 | 93% |
Why it was late
All flights PHX → SLC · Connecting off DL 1451? Check the risk
Questions
How often is DL 1451 from SLC to PHX late?
Delta Air Lines 1451 from Salt Lake City, UT to Phoenix, AZ arrived 15 or more minutes late, was diverted or was cancelled on 12% of 241 scheduled flights between September 2025 and August 2026. 0.0% were cancelled.
How often is DL 1451 from PHX to SLC late?
Delta Air Lines 1451 from Phoenix, AZ to Salt Lake City, UT arrived 15 or more minutes late, was diverted or was cancelled on 13% of 160 scheduled flights between September 2025 and August 2026. 0.6% 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.