Route
LAS → FSD
Harry Reid International Airport Sioux Falls Regional Airport
1,104 miles
Return route FSD → LAS →
How punctual is this route?
- On-time arrivals
- 89.1%
- Less than 15 minutes late
- Cancelled
- 0.6%
- Of scheduled flights
- Average delay when late
- 101 min
- Flights arriving 15+ minutes late
- Flights tracked
- 176
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 39%
- Extreme weather 35%
- Air traffic control & airport 24%
- Late-arriving aircraft 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 100.0% | 9 |
| October 2025 | 83.3% | 18 |
| November 2025 | 93.8% | 17 |
| December 2025 | 68.2% | 22 |
| January 2026 | 100.0% | 17 |
| February 2026 | 100.0% | 11 |
| March 2026 | 82.4% | 17 |
| April 2026 | 78.6% | 14 |
| May 2026 | 84.6% | 13 |
| June 2026 | 100.0% | 13 |
| July 2026 | 100.0% | 14 |
| August 2026 | 100.0% | 11 |
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 |
|---|---|---|---|---|
| Allegiant Air | 176 | 89.1% | 0.6% | 101 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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