Best Time to Fly LAS to TUS: On-Time Stats by Hour & Airline
Harry Reid International → Tucson International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 76.2% of Las Vegas (LAS) to Tucson (TUS) flights arrived on time (1,336 scheduled flights). That is 1.5 points below the national average of 77.6%.
Among 2 airlines, Frontier Airlines led with 86.0% on time and Southwest Airlines was last with 75.5%.
Over 24 months, Saturday was the most reliable day (87% on time) and June the worst month (68%).
The cancellation rate was 0.5% (US average 1.8%).
LAS to TUS 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 |
|---|---|---|---|---|
| Frontier Airlines | 86.0% | 72 min | 2.3% | 88 |
| Southwest Airlines | 75.5% | 50 min | 0.4% | 1,248 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly LAS to TUS
On-time arrival % by scheduled departure hour (local time), 2,613 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | Limited data | 12 | |
| 7am–8am | 92.2% | 0.0% | 232 |
| 8am–9am | 93.3% | 0.0% | 327 |
| 9am–10am | 90.1% | 0.9% | 112 |
| 10am–11am | 85.7% | 0.0% | 112 |
| 11am–12pm | 81.6% | 0.0% | 49 |
| 12pm–1pm | 82.0% | 0.8% | 134 |
| 1pm–2pm | 76.5% | 0.0% | 133 |
| 2pm–3pm | 83.2% | 0.0% | 161 |
| 3pm–4pm | 83.7% | 0.0% | 159 |
| 4pm–5pm | 69.1% | 0.5% | 192 |
| 5pm–6pm | 72.3% | 0.0% | 214 |
| 6pm–7pm | 69.0% | 0.0% | 129 |
| 7pm–8pm | 77.6% | 0.0% | 125 |
| 8pm–9pm | 63.7% | 0.7% | 136 |
| 9pm–10pm | 66.5% | 0.0% | 194 |
| 10pm–11pm | 64.0% | 1.6% | 192 |
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 TUS
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) | 77.8% | -2.8 pts | 1.8% | 55 |
| Christmas & New Year (Dec 20 - Jan 3) | 75.7% | -4.9 pts | 0.0% | 115 |
| Summer peak (Jun 15 - Aug 15) | 70.5% | -10.0 pts | 0.3% | 386 |
| All other days | 80.5% | — | 0.3% | 2,057 |
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).