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WanderNerd

Route Reliability

Raleigh–Durham → Phoenix

RDUPHX · 1,891 miles · Raleigh–Durham International Airport to Phoenix Sky Harbor International Airport

92
Nerd Approved
WanderNerd Reliability Score
89%
Arrive within 15 minutes
4 min early
Average arrival delay
1.0%
Cancelled
790
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.American Airlines92%468 flights
  2. 2.Southwest Airlines85%322 flights

What the data says

Morning flights do better here.

RDU–PHX flights departing between 6–9 AM arrived on time 93% of the time, versus 61% between 6–9 PM.

Saturday is the weak spot.

RDU–PHX flights arrived on time 95% of the time on Mondays. On Saturdays: 84%.

American Airlines runs this route best.

American Airlines arrived on time 92% of the time on this route; Southwest Airlines managed 85%.

Ticking up lately.

RDU–PHX flights arrived on time 89% of the time over the last three months in the data, compared with 84% in the three months before that.

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

On-time by weekday
  • Mon95%(116 flights)
  • Tue90%(91 flights)
  • Wed87%(100 flights)
  • Thu86%(116 flights)
  • Fri88%(117 flights)
  • Sat84%(123 flights)
  • Sun92%(117 flights)
On-time by departure window
  • 3–6 AM83%(18 flights)
  • 6–9 AM93%(462 flights)
  • 9 AM–12 PM77%(30 flights)
  • 12–3 PM84%(100 flights)
  • 3–6 PM87%(142 flights)
  • 6–9 PM61%(28 flights)
On-time trend by month
91%
May

Jun 83% → May 91% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%60
July 202590%61
August 202594%52
September 2025100%51
October 202595%60
November 202586%69
December 202581%69
January 202688%41
February 202684%57
March 202689%89
April 202687%84
May 202691%87

Based on 790 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.