BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
PDX→LAS

Portland, OR (PDX) to Las Vegas, NV (LAS) flight delay odds

79.6% of 2,983 official scheduled PDX-to-LAS flights arrived on time; 11.0% arrived at least 30 minutes late and 0.5% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
79.6%arrived on time
11.0%30+ min late
0.5%cancelled
2,983scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late4.7%all scheduled flights
120+ minutes late1.5%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+5.6 mincompleted flights

Which departure time was most reliable for PDX to LAS?

Among qualifying PDX-to-LAS departure window results, Early morning had the highest on-time rate: 92.3% of 725 flights. Evening was lowest at 68.4% across 591 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning72592.3%2.9%0.3%
Late morning77778.8%9.9%1.0%
Afternoon70777.9%13.0%0.1%
Evening59168.4%19.3%0.7%
Night18376.0%13.1%0.5%

Which weekday was most reliable for PDX to LAS?

Among qualifying PDX-to-LAS weekday results, Tuesday had the highest on-time rate: 86.3% of 402 flights. Thursday was lowest at 75.8% across 446 flights.

DayFlightsOn time30+ minCancelled
Monday46978.0%10.4%0.2%
Tuesday40286.3%6.7%0.5%
Wednesday38780.1%8.5%0.5%
Thursday44675.8%14.6%0.4%
Friday46476.9%13.8%0.6%
Saturday33885.5%7.7%0.6%
Sunday47777.1%13.4%0.8%

Which airline was most reliable for PDX to LAS?

Among qualifying PDX-to-LAS airline results, Spirit Airlines had the highest on-time rate: 85.9% of 128 flights. Frontier Airlines was lowest at 69.8% across 172 flights.

AirlineFlightsOn time30+ minCancelled
Alaska Airlines1,53482.2%9.1%0.5%
Southwest Airlines1,14976.9%12.9%0.2%
Frontier Airlines17269.8%17.4%3.5%
Spirit Airlines12885.9%8.6%0.0%

Which month was most reliable for PDX to LAS?

Among qualifying PDX-to-LAS month results, February 2026 had the highest on-time rate: 85.4% of 206 flights. December 2025 was lowest at 73.2% across 239 flights.

MonthFlightsOn time30+ minCancelled
July 202530376.2%12.5%0.7%
August 202527482.1%8.4%0.4%
September 202526578.9%10.9%0.0%
October 202525075.6%13.2%0.8%
November 202523879.8%10.9%1.3%
December 202523973.2%13.8%0.0%
January 202622584.9%8.4%0.9%
February 202620685.4%8.3%0.0%
March 202625780.9%9.7%0.4%
April 202623979.9%13.4%0.4%
May 202623784.4%9.3%0.4%
June 202625076.0%12.4%1.2%

What drove PDX to LAS delay minutes?

Late aircraft was the largest recorded PDX-to-LAS delay category, accounting for 42.6% of 31,397 BTS-attributed delay minutes during July 2025–June 2026.

Airline33.1%
Late aircraft42.6%
National airspace24.1%
Weather0.2%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.