Flight OddsDL851 LAS → DTW
Delta Air Lines · Las Vegas, NV to Detroit, MI · 191 flights observed, 2025-07-01 to 2026-05-06 · 1,749 mi
DL851 covers more than one route in the data window — the stats below are for LAS → DTW, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
81%
Median delay
-7 min
90th percentile
+40 min
Cancellation rate
1%
How often is DL851 on time?
Across 191 flights on LAS → DTW from 2025-07-01 to 2026-05-06, DL851 arrived within 15 minutes of schedule 81% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +40 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 | 153 | 81% |
| 16-30 min | 11 | 6% |
| 31-60 min | 14 | 7% |
| 61-120 min | 6 | 3% |
| 2+ hrs | 5 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 77% | +4 min |
| 2025-08 | 22 | 68% | +9 min |
| 2025-09 | 15 | 73% | +70 min |
| 2025-10 | 22 | 95% | -7 min |
| 2025-11 | 18 | 83% | +1 min |
| 2025-12 | 20 | 75% | +11 min |
| 2026-01 | 3 | 100% | -3 min |
| 2026-03 | 24 | 79% | +5 min |
| 2026-04 | 30 | 90% | -4 min |
| 2026-05 | 5 | 80% | -5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 31 | 65% |
| Tue | 16 | 94% |
| Wed | 15 | 87% |
| Thu | 29 | 93% |
| Fri | 31 | 68% |
| Sat | 33 | 88% |
| Sun | 34 | 82% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…