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Route Reliability

Las Vegas → Raleigh–Durham

LAS–RDU · 2,026 miles · Harry Reid International Airport to Raleigh–Durham International Airport

81
Pretty Reliable
WanderNerd Reliability Score
79%
Arrive within 15 minutes
3 min
Average arrival delay
1.2%
Cancelled
747
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.Delta Air Lines89%361 flights
  2. 2.Southwest Airlines71%341 flights

Not enough history to rank: Frontier Airlines (45 flights). We rank airlines only after 100 flights on the route.

What the data says

The late departure is the smart one here.

LAS–RDU flights departing between 9 PM–12 AM arrived on time 86% of the time, versus 67% between 3–6 PM.

Thursdays have been rough.

LAS–RDU flights arrived on time 90% of the time on Tuesdays and just 69% on Thursdays. That gap is worth planning around.

Delta Air Lines has a clear lead on this route.

Delta Air Lines arrived on time 89% of the time on this route; Southwest Airlines managed 71%.

Flights on this route

The breakdown

On-time by weekday
  • Mon77%(104 flights)
  • Tue90%(92 flights)
  • Wed84%(104 flights)
  • Thu69%(114 flights)
  • Fri76%(110 flights)
  • Sat87%(98 flights)
  • Sun74%(114 flights)
On-time by departure window
  • 6–9 AM—(3 flights)
  • 9 AM–12 PM70%(79 flights)
  • 12–3 PM78%(78 flights)
  • 3–6 PM67%(175 flights)
  • 9 PM–12 AM86%(401 flights)
On-time trend by month
75%
May

Jun 63% → May 75% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202563%76
July 202570%77
August 202586%65
September 202586%51
October 202583%60
November 202582%56
December 202582%56
January 202686%56
February 202679%56
March 202684%62
April 202680%60
May 202675%61

Keep nerding

Based on 747 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.