DL851 DTW → LAS

Delta Air Lines · Detroit, MI to Las Vegas, NV · 36 flights observed, 2026-03-08 to 2026-04-12 · 1,749 mi

DL851 covers more than one route in the data window — the stats below are for DTW → LAS, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
86%
Median delay
-8 min
90th percentile
+23 min
Cancellation rate
0%

How often is DL851 on time?

Across 36 flights on DTW → LAS from 2026-03-08 to 2026-04-12, DL851 arrived within 15 minutes of schedule 86% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +23 min or later. 0% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time3186%
16-30 min411%
31-60 min13%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-032488%-5 min
2026-041283%-3 min

Performance by day of week

DayFlightsOn-time
Mon580%
Tue580%
Wed580%
Thu5100%
Fri580%
Sat5100%
Sun683%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…