Flight OddsDL3172 SLC → DEN
Delta Air Lines · Salt Lake City, UT to Denver, CO · 172 flights observed, 2025-07-01 to 2025-12-19 · 391 mi
DL3172 covers more than one route in the data window — the stats below are for SLC → DEN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
85%
Median delay
-9 min
90th percentile
+39 min
Cancellation rate
0%
How often is DL3172 on time?
Across 172 flights on SLC → DEN from 2025-07-01 to 2025-12-19, DL3172 arrived within 15 minutes of schedule 85% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +39 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 | 146 | 85% |
| 16-30 min | 7 | 4% |
| 31-60 min | 3 | 2% |
| 61-120 min | 14 | 8% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 77% | +5 min |
| 2025-08 | 31 | 90% | -3 min |
| 2025-09 | 29 | 100% | -7 min |
| 2025-10 | 31 | 84% | +0 min |
| 2025-11 | 30 | 83% | -6 min |
| 2025-12 | 19 | 74% | +9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 24 | 88% |
| Tue | 25 | 96% |
| Wed | 25 | 84% |
| Thu | 24 | 75% |
| Fri | 25 | 76% |
| Sat | 24 | 83% |
| Sun | 24 | 96% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…