LAS to DTW flight delays

LAS DTW Harry Reid to Detroit Wayne · 1,749 miles

9,262 flights were scheduled from LAS to DTW over July 2023 through June 2026. Of the 9,187 that made the trip, 82.7% reached the gate less than 15 minutes behind schedule. These are arrival figures: “on time” means the flight reached the gate less than 15 minutes behind schedule. Arrivals are what decide whether you make the connection, so route and airline pages are scored on them rather than on pushback.

Data through June 2026 · Bureau of Transportation Statistics

The route in brief

Flights in the window
9,262
Arrived on time
82.7%
Cancelled
0.6%
Scheduled distance
1,749 miles

Cancellations are counted against everything scheduled. Diverted flights are counted with them rather than as very late arrivals, which is why the on-time share and the cancellation rate do not add up to everything that happened.

Airline by airline

Airlines with at least 100 flights on LAS–DTW, busiest first. Same route, same weather, same air traffic — which makes this the fairest comparison on the site.

Airline Arrived on time Typical delay Cancelled Flights
Delta Air Lines 85.4% 72 min 0.5% 5,963
Spirit Airlines 79.9% 73 min 0.8% 2,376
Southwest Airlines 71.5% 43 min 0.2% 604
Frontier Airlines 72.8% 49 min 1.3% 318

Month by month

July was the month to avoid on LAS–DTW: 73.4% of flights arrived on time, against 89.8% in November. Each bar pools three years of that calendar month.

Share of flights that arrived on time, by calendar month. Best month in green, worst in amber. The hairline sits at the overall rate, 82.7%.
Arrival on-time share, LAS to DTW, by calendar month
Month Share flights that arrived on time Flights
January 83.3% 684
February 87% 637
March 81.5% 783
April 85% 814
May 81.7% 797
June 77.3% 750
July 73.4% 826
August 80.1% 762
September 82.7% 792
October 85.2% 955
November 89.8% 789
December 85.4% 673

Both ends of the route

A route’s record is built out of two airports’ habits. The hour-by-hour grid for each is on its own page.

LAS to DTW in one number

LAS → DTW

When a flight on this route was late, it was late by about 68 min.

July 2023–June 2026 · 9,262 flights

82.7% of flights arrived on time

Questions about LAS to DTW

Which airline is most reliable from LAS to DTW?
Delta Air Lines — its flights on this pairing arrived on time 85.4% of the time, with 5,963 scheduled. Southwest Airlines came in at 71.5% over 604 scheduled. Airlines with fewer than 100 flights on the route are not rated.
What is the worst month to fly LAS to DTW?
July, at 73.4% of arrivals on time, with 826 flights scheduled. November was the best of the year at 89.8%.
How late are LAS–DTW flights when they are late?
68 min on average, counting only the flights that arrived 15 minutes or more behind schedule. The on-time flights are left out of that average on purpose — mixing them in would flatter it.
How often is the LAS to DTW flight cancelled?
0.6% of scheduled flights on this route were cancelled, July 2023 through June 2026. Diverted flights are counted with the cancellations rather than as late arrivals.
Are these departure or arrival numbers?
Arrival. A flight counts as on time here if it reached the gate at DTW less than 15 minutes behind schedule. Airport pages score departures instead, because that is the number you can act on when you pick a booking time.