Flight OddsDL1520 PHX → SLC
Delta Air Lines · Phoenix, AZ to Salt Lake City, UT · 89 flights observed, 2025-08-11 to 2025-12-19 · 507 mi
DL1520 covers more than one route in the data window — the stats below are for PHX → SLC, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
80%
Median delay
-8 min
90th percentile
+53 min
Cancellation rate
1%
How often is DL1520 on time?
Across 89 flights on PHX → SLC from 2025-08-11 to 2025-12-19, DL1520 arrived within 15 minutes of schedule 80% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +53 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 70 | 80% |
| 16-30 min | 4 | 5% |
| 31-60 min | 6 | 7% |
| 61-120 min | 4 | 5% |
| 2+ hrs | 4 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 12 | 83% | +4 min |
| 2025-09 | 17 | 76% | +6 min |
| 2025-10 | 23 | 87% | -5 min |
| 2025-11 | 20 | 75% | +28 min |
| 2025-12 | 16 | 75% | +8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 15 | 60% |
| Tue | 14 | 93% |
| Wed | 14 | 93% |
| Thu | 15 | 73% |
| Fri | 15 | 93% |
| Sat | 1 | 100% |
| Sun | 14 | 64% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…