Route Reliability
Las Vegas → Pittsburgh
LAS–PIT · 1,910 miles · Harry Reid International Airport to Pittsburgh International Airport
- 78%
- Arrive within 15 minutes
- 5 min
- Average arrival delay
- 0.4%
- Cancelled
- 794
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Spirit Airlines87%120 flights
- 2.Southwest Airlines77%674 flights
What the data says
Morning flights do better here.
LAS–PIT flights departing between 9 AM–12 PM arrived on time 87% of the time, versus 60% between 6–9 PM.
Friday is doing you no favors.
LAS–PIT flights arrived on time 88% of the time on Saturdays and just 71% on Fridays. That gap is worth planning around.
Spirit Airlines runs this route best.
Spirit Airlines arrived on time 87% of the time on this route; Southwest Airlines managed 77%.
Recent months have been rougher.
LAS–PIT flights arrived on time 72% of the time over the last three months in the data, compared with 85% in the three months before that.
Flights on this route
The breakdown
- Mon74%(122 flights)
- Tue80%(98 flights)
- Wed83%(95 flights)
- Thu80%(118 flights)
- Fri71%(119 flights)
- Sat88%(106 flights)
- Sun76%(132 flights)
- 6–9 AM87%(267 flights)
- 9 AM–12 PM87%(144 flights)
- 12–3 PM63%(19 flights)
- 3–6 PM72%(269 flights)
- 6–9 PM60%(80 flights)
- 9 PM–12 AM82%(11 flights)
Jun 72% → May 73% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 72% | 79 |
| July 2025 | 71% | 77 |
| August 2025 | 81% | 78 |
| September 2025 | 84% | 87 |
| October 2025 | 80% | 90 |
| November 2025 | 88% | 59 |
| December 2025 | 80% | 46 |
| January 2026 | 90% | 41 |
| February 2026 | 84% | 44 |
| March 2026 | 70% | 60 |
| April 2026 | 73% | 63 |
| May 2026 | 73% | 66 |
Keep nerding
Based on 794 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.