Best Time to Fly LAS to FSD: On-Time Stats by Hour & Airline
Harry Reid International → Joe Foss Field
Data through July 2026 · Last updated October 18, 2026
174 flights were scheduled from Las Vegas (LAS) to Sioux Falls (FSD) in the last 12 months, and 88.4% of those that flew arrived on time, 10.8 points above the US average of 77.6%.
Allegiant Air was the only reporting airline with regular flights on this route.
Over 24 months, Wednesday was the most reliable day (96% on time) and December the worst month (81%).
The cancellation rate was 0.6% (US average 1.8%).
LAS to FSD on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Allegiant Air | 88.4% | 91 min | 0.6% | 174 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly LAS to FSD
On-time arrival % by scheduled departure hour (local time), 353 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 95.9% | 0.8% | 122 |
| 7am–8am | 90.9% | 0.0% | 33 |
| 8am–9am | 82.9% | 0.0% | 35 |
| 9am–10am | Limited data | 17 | |
| 10am–11am | Limited data | 25 | |
| 11am–12pm | Limited data | 9 | |
| 12pm–1pm | Limited data | 1 | |
| 1pm–2pm | Limited data | 2 | |
| 2pm–3pm | Limited data | 4 | |
| 3pm–4pm | 86.5% | 0.0% | 37 |
| 4pm–5pm | 83.6% | 0.0% | 55 |
| 5pm–6pm | Limited data | 13 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on LAS to FSD
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 8 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 17 | ||
| Summer peak (Jun 15 - Aug 15) | 96.4% | +7.5 pts | 0.0% | 56 |
| All other days | 88.9% | — | 0.4% | 272 |
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).