Route Reliability
Las Vegas → Portland
LAS–PDX · 763 miles · Harry Reid International Airport to Portland International Airport
- 80%
- Arrive within 15 minutes
- 4 min
- Average arrival delay
- 0.5%
- Cancelled
- 3,030
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Spirit Airlines88%188 flights
- 2.Alaska Airlines84%1,524 flights
- 3.Frontier Airlines77%168 flights
- 4.Southwest Airlines75%1,150 flights
What the data says
Morning-you made the right choice.
LAS–PDX flights departing between 6–9 AM arrived on time 91% of the time, versus 64% between 9 PM–12 AM.
Friday is doing you no favors.
LAS–PDX flights arrived on time 85% of the time on Saturdays. On Fridays: 77%.
Spirit Airlines runs this route best.
Spirit Airlines arrived on time 88% of the time on this route; Southwest Airlines managed 75%.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon82%(476 flights)
- Tue81%(403 flights)
- Wed84%(391 flights)
- Thu77%(444 flights)
- Fri77%(469 flights)
- Sat85%(341 flights)
- Sun78%(488 flights)
- 6–9 AM91%(645 flights)
- 9 AM–12 PM86%(644 flights)
- 12–3 PM78%(478 flights)
- 3–6 PM72%(344 flights)
- 6–9 PM76%(636 flights)
- 9 PM–12 AM64%(265 flights)
Jun 80% → May 79% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 80% | 293 |
| July 2025 | 77% | 302 |
| August 2025 | 83% | 275 |
| September 2025 | 81% | 262 |
| October 2025 | 75% | 247 |
| November 2025 | 84% | 236 |
| December 2025 | 75% | 239 |
| January 2026 | 84% | 223 |
| February 2026 | 88% | 206 |
| March 2026 | 80% | 253 |
| April 2026 | 80% | 239 |
| May 2026 | 79% | 237 |
Keep nerding
Based on 3,030 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.