Best Time to Fly LAS to ANC: On-Time Stats by Hour & Airline
Harry Reid International → Ted Stevens Anchorage International
Data through July 2026 · Last updated October 18, 2026
276 flights were scheduled from Las Vegas (LAS) to Anchorage (ANC) in the last 12 months, and 64.0% of those that flew arrived on time, 13.6 points below the US average of 77.6%.
Alaska Airlines was the most punctual of the 2 airlines on the route at 71.6%, while Southwest Airlines trailed at 45.5%.
November has been the best month (73% on time) and Thursday the weakest day of the week (52%).
0.7% of flights were cancelled, versus 1.8% nationally.
LAS to ANC 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 |
|---|---|---|---|---|
| Alaska Airlines | 71.6% | 55 min | 1.0% | 198 |
| Southwest Airlines | 45.5% | 47 min | 0.0% | 78 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly LAS to ANC
On-time arrival % by scheduled departure hour (local time), 378 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 12am–1am | Limited data | 23 | |
| 1am–2am | Limited data | 29 | |
| 4pm–5pm | 72.0% | 2.0% | 51 |
| 5pm–6pm | Limited data | 29 | |
| 6pm–7pm | 46.3% | 0.9% | 113 |
| 7pm–8pm | 62.8% | 0.0% | 79 |
| 8pm–9pm | 64.6% | 1.9% | 54 |
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 ANC
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 | 9 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 18 | ||
| Summer peak (Jun 15 - Aug 15) | 60.5% | -1.7 pts | 1.7% | 116 |
| All other days | 62.3% | — | 0.4% | 235 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).