LAS to TUS flight delays & on-time performance
Nonstop flights from Harry Reid International Airport to Tucson International Airport · 364 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at LAS or TUS right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Las Vegas (LAS) to Tucson (TUS) arrived on time 76% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0.5% were cancelled, and 6% arrived an hour or more late.
- Frontier Airlines was the most punctual airline here (86% on time); Southwest Airlines was the least (75%).
- Departures scheduled around 8am did best (94% on time); around 10pm did worst (56%).
- Wednesday was the most reliable day to fly (84% on time) and Sunday the least (72%).
- The largest source of delay minutes was late-arriving aircraft (63%).
Which airline is most on time from LAS to TUS?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Frontier Airlines | 86% | 2.3% | 11 min | 8.1% | 88 |
| Southwest Airlines | 75% | 0.4% | 13 min | 5.5% | 1,248 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am91%185 flights
- 8am94%106 flights
- 9am91%35 flights
- 10am88%80 flights
- 11am79%42 flights
- 12pm78%46 flights
- 1pm68%53 flights
- 2pm82%103 flights
- 3pm85%65 flights
- 4pm67%127 flights
- 5pm66%77 flights
- 6pm64%96 flights
- 7pm69%48 flights
- 8pm68%66 flights
- 9pm65%88 flights
- 10pm56%107 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday73%0.0% cancelled
- Tuesday77%0.0% cancelled
- Wednesday84%0.0% cancelled
- Thursday75%0.5% cancelled
- Friday73%1.3% cancelled
- Saturday84%1.5% cancelled
- Sunday72%0.5% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft63%
- Airline (crew, maintenance, cleaning, fueling)32%
- Air traffic control & airport congestion5%
- Extreme weather0%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)43%
- Extreme weather43%
- Air traffic control & airport congestion14%
- Security0%
LAS to TUS: common questions
- How often are LAS to TUS flights on time?
- 76% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Las Vegas to Tucson cancelled?
- 0.5% of scheduled flights were cancelled (7 of 1,336).
- How long are typical delays?
- Across all flights the average arrival delay was 13 min (early arrivals count as zero). Flights that were late arrived 50 min behind schedule on average, and 5.6% of flights were an hour or more late.
- How long is taxi time at LAS?
- Flights on this route spent 16 min taxiing from the gate to takeoff on average.
Related routes
Return trip: TUS to LAS — 85% on time
More flights from Las Vegas
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: LAS → TUS, nonstop flights by US airlines that report to the DOT. How we calculate this.