LAS to PIT flight delays & on-time performance
Nonstop flights from Harry Reid International Airport to Pittsburgh International Airport · 1,910 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at LAS or PIT 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 Pittsburgh (PIT) arrived on time 76% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0.4% were cancelled, and 6% arrived an hour or more late.
- Spirit Airlines was the most punctual airline here (92% on time); Southwest Airlines was the least (73%).
- Departures scheduled around 9am did best (95% on time); around 1pm did worst (43%).
- Saturday was the most reliable day to fly (86% on time) and Friday the least (69%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (47%).
Which airline is most on time from LAS to PIT?
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 |
|---|---|---|---|---|---|
| Spirit Airlines | 92% | 0.0% | 6 min | 3.5% | 86 |
| Southwest Airlines | 73% | 0.5% | 14 min | 6.2% | 631 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am87%79 flights
- 8am85%146 flights
- 9am95%59 flights
- 10am85%35 flights
- 11am89%18 flights
- 1pm43%42 flights
- 3pm83%24 flights
- 4pm68%103 flights
- 5pm69%150 flights
- 6pm55%47 flights
- 11pm82%11 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday71%0.0% cancelled
- Tuesday77%0.0% cancelled
- Wednesday83%0.0% cancelled
- Thursday75%0.0% cancelled
- Friday69%0.9% cancelled
- Saturday86%0.0% cancelled
- Sunday71%1.6% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)47%
- Late-arriving aircraft42%
- Air traffic control & airport congestion11%
- Extreme weather0%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Air traffic control & airport congestion0%
- Security0%
LAS to PIT: common questions
- How often are LAS to PIT 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 Pittsburgh cancelled?
- 0.4% of scheduled flights were cancelled (3 of 717).
- 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 49 min behind schedule on average, and 5.9% of flights were an hour or more late.
- How long is taxi time at LAS?
- Flights on this route spent 17 min taxiing from the gate to takeoff on average.
Related routes
Return trip: PIT to LAS — 83% 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 → PIT, nonstop flights by US airlines that report to the DOT. How we calculate this.