Route
DSM → LAS
Des Moines International Airport Harry Reid International Airport
How punctual is this route?
- On-time arrivals
- 78.8%
- Less than 15 minutes late
- Cancelled
- 0.2%
- Of scheduled flights
- Average delay when late
- 94 min
- Flights arriving 15+ minutes late
- Flights tracked
- 595
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 37%
- Airline (crew, maintenance, cleaning) 29%
- Air traffic control & airport 23%
- Extreme weather 11%
- Security 1%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 84.8% | 47 |
| October 2025 | 92.5% | 53 |
| November 2025 | 87.2% | 47 |
| December 2025 | 66.0% | 50 |
| January 2026 | 79.2% | 48 |
| February 2026 | 84.1% | 44 |
| March 2026 | 82.7% | 53 |
| April 2026 | 74.5% | 47 |
| May 2026 | 74.5% | 51 |
| June 2026 | 70.6% | 51 |
| July 2026 | 87.0% | 54 |
| August 2026 | 62.0% | 50 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Southwest Airlines | 365 | 83.0% | 0.3% | 64 min |
| Allegiant Air | 230 | 72.1% | 0.0% | 123 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN1771
19% late · 52 flights
-
G41708
32% late · 41 flights
-
WN364
15% late · 41 flights
-
WN1150
24% late · 34 flights
-
WN2762
13% late · 31 flights
-
WN2387
21% late · 28 flights
-
G4447
11% late · 27 flights
-
WN146
8% late · 24 flights
-
WN2127
12% late · 24 flights
-
WN3086
29% late · 24 flights
-
G4454
23% late · 22 flights
-
G4466
23% late · 22 flights
-
WN1351
0% late · 21 flights
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