TUS to LAS flight delays & on-time performance
Nonstop flights from Tucson International Airport to Harry Reid International Airport · 364 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at TUS or LAS right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Tucson (TUS) to Las Vegas (LAS) arrived on time 85% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.2% were cancelled, and 5% arrived an hour or more late.
- Southwest Airlines was the most punctual airline here (85% on time); Frontier Airlines was the least (77%).
- Departures scheduled around 5am did best (98% on time); around 8pm did worst (61%).
- Tuesday was the most reliable day to fly (90% on time) and Sunday the least (81%).
- The largest source of delay minutes was late-arriving aircraft (53%).
Which airline is most on time from TUS to LAS?
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 |
|---|---|---|---|---|---|
| Southwest Airlines | 85% | 0.2% | 10 min | 4.7% | 1,248 |
| Frontier Airlines | 77% | 1.1% | 27 min | 10.3% | 88 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am98%132 flights
- 6am97%105 flights
- 7am97%126 flights
- 9am90%69 flights
- 10am90%133 flights
- 11am84%69 flights
- 12pm83%52 flights
- 1pm82%101 flights
- 2pm78%70 flights
- 3pm63%51 flights
- 4pm79%81 flights
- 5pm83%65 flights
- 6pm88%90 flights
- 7pm68%92 flights
- 8pm61%84 flights
- 9pm73%15 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday81%0.5% cancelled
- Tuesday90%0.0% cancelled
- Wednesday90%0.0% cancelled
- Thursday81%0.0% cancelled
- Friday83%0.9% cancelled
- Saturday89%0.0% cancelled
- Sunday81%0.0% 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 aircraft53%
- Air traffic control & airport congestion22%
- Airline (crew, maintenance, cleaning, fueling)14%
- Extreme weather10%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)33%
- Extreme weather33%
- Air traffic control & airport congestion33%
- Security0%
TUS to LAS: common questions
- How often are TUS to LAS flights on time?
- 85% 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 Tucson to Las Vegas cancelled?
- 0.2% of scheduled flights were cancelled (3 of 1,336).
- How long are typical delays?
- Across all flights the average arrival delay was 11 min (early arrivals count as zero). Flights that were late arrived 67 min behind schedule on average, and 5.1% of flights were an hour or more late.
- How long is taxi time at TUS?
- Flights on this route spent 13 min taxiing from the gate to takeoff on average.
Related routes
Return trip: LAS to TUS — 76% on time
More flights from Tucson
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: TUS → LAS, nonstop flights by US airlines that report to the DOT. How we calculate this.