Flight OddsDL1581 DEN → SLC
Delta Air Lines · Denver, CO to Salt Lake City, UT · 361 flights observed, 2025-07-01 to 2026-06-30 · 391 mi
On-time arrival
91%
Median delay
-14 min
90th percentile
+11 min
Cancellation rate
0%
How often is DL1581 on time?
Across 361 flights on DEN → SLC from 2025-07-01 to 2026-06-30, DL1581 arrived within 15 minutes of schedule 91% of the time. The median arrival delay was -14 min, and the worst 10% of flights arrived +11 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 327 | 91% |
| 16-30 min | 11 | 3% |
| 31-60 min | 2 | 1% |
| 61-120 min | 4 | 1% |
| 2+ hrs | 17 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 74% | +30 min |
| 2025-08 | 31 | 100% | -13 min |
| 2025-09 | 30 | 97% | -10 min |
| 2025-10 | 31 | 94% | +1 min |
| 2025-11 | 30 | 90% | -2 min |
| 2025-12 | 31 | 77% | +34 min |
| 2026-01 | 31 | 94% | -4 min |
| 2026-02 | 28 | 96% | +4 min |
| 2026-03 | 31 | 81% | +25 min |
| 2026-04 | 29 | 93% | -12 min |
| 2026-05 | 31 | 94% | -10 min |
| 2026-06 | 27 | 100% | -10 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 51 | 92% |
| Tue | 53 | 91% |
| Wed | 52 | 87% |
| Thu | 52 | 96% |
| Fri | 52 | 87% |
| Sat | 52 | 92% |
| Sun | 49 | 90% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…