Las Vegas (LAS) to Tucson (TUS): On-Time Performance
Data through July 2026
When you fly LAS to TUS matters as much as anything else about the booking: the route swung from 90% on-time in November 2024 to just 63% in June 2026. Across the full period the route averages 78% on-time against a national 78%. Morning departures also hold up better than evening ones (91% vs 67%), which matters most in the rough months.
- On-time
- 78%
- arrived <15 min late
- Avg delay
- 12 min
- completed flights
- Cancelled
- 0.3%
- Flights/day
- 3.7
- last 12 months
- Duration
- 1h 23m
- scheduled
- Distance
- 364 mi
Best airline from LAS to TUS
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Frontier Airlinesmost reliable | 83% | 19 min | 1.8% | 110 |
| Southwest Airlines | 78% | 12 min | 0.2% | 2,603 |
Monthly on-time trend
Best time to fly from LAS to TUS
Aim for departures around 8 a.m. (93% on-time); avoid 8 p.m. departures (60%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 75% | 13 min |
| Tuesday | 82% | 9 min |
| Wednesday | 85% | 8 min |
| Thursday | 75% | 15 min |
| Friday | 73% | 17 min |
| Saturdaybest | 86% | 6 min |
| Sunday | 75% | 16 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft62%
- Airline operations32%
- National airspace system6%
Frequently asked questions
- How often are flights from LAS to TUS delayed?
- 22% of LAS–TUS flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 12 minutes.
- Which airline is most reliable from LAS to TUS?
- Frontier Airlines has the best on-time record on this route at 83%, based on 110 flights. 2 airlines flew LAS–TUS frequently enough to compare in this period.
- What is the best time of day to fly from LAS to TUS?
- Departures around 8 a.m. have the best record (93% on-time), while departures around 8 p.m. have the worst (60%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from LAS to TUS?
- The scheduled LAS–TUS flight time averages 1h 23m over 364 miles. Actual arrival times vary — flights on this route land 15+ minutes late 22% of the time.
- How often are LAS to TUS flights cancelled?
- 0.3% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from LAS to TUS?
- June 2026 was the roughest month in this dataset, with only 63% of arrivals on time. The best was November 2024 at 90%. If your dates are flexible, that 28-point gap is worth planning around.
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Based on 2,713 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.