Flight OddsUA1851 DEN → SLC
United Airlines · Denver, CO to Salt Lake City, UT · 35 flights observed, 2026-05-21 to 2026-06-24 · 391 mi
UA1851 covers more than one route in the data window — the stats below are for DEN → SLC, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
57%
Median delay
+13 min
90th percentile
+64 min
Cancellation rate
0%
How often is UA1851 on time?
Across 35 flights on DEN → SLC from 2026-05-21 to 2026-06-24, UA1851 arrived within 15 minutes of schedule 57% of the time. The median arrival delay was +13 min, and the worst 10% of flights arrived +64 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 | 20 | 57% |
| 16-30 min | 4 | 11% |
| 31-60 min | 7 | 20% |
| 61-120 min | 3 | 9% |
| 2+ hrs | 1 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-05 | 11 | 55% | +25 min |
| 2026-06 | 24 | 58% | +22 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 60% |
| Tue | 5 | 60% |
| Wed | 5 | 80% |
| Thu | 5 | 60% |
| Fri | 5 | 40% |
| Sat | 5 | 60% |
| Sun | 5 | 40% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…