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Route Reliability

Kansas City → Phoenix

MCI–PHX · 1,044 miles · Kansas City International Airport to Phoenix Sky Harbor International Airport

85
Pretty Reliable
WanderNerd Reliability Score
80%
Arrive within 15 minutes
8 min
Average arrival delay
0.7%
Cancelled
2,468
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.American Airlines83%782 flights
  2. 2.Southwest Airlines78%1,631 flights

Not enough history to rank: Frontier Airlines (55 flights). We rank airlines only after 100 flights on the route.

What the data says

Morning flights do better here.

MCI–PHX flights departing between 3–6 AM arrived on time 90% of the time, versus 60% between 6–9 PM.

Sunday scaries are real for this one.

MCI–PHX flights arrived on time 85% of the time on Saturdays. On Sundays: 72%.

American Airlines has a slight edge here.

American Airlines arrived on time 83% of the time on this route; Southwest Airlines managed 78%.

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
  • Mon76%(363 flights)
  • Tue81%(339 flights)
  • Wed83%(327 flights)
  • Thu81%(366 flights)
  • Fri81%(355 flights)
  • Sat85%(302 flights)
  • Sun72%(396 flights)
On-time by departure window
  • 3–6 AM90%(163 flights)
  • 6–9 AM88%(598 flights)
  • 9 AM–12 PM90%(295 flights)
  • 12–3 PM80%(630 flights)
  • 3–6 PM72%(424 flights)
  • 6–9 PM60%(298 flights)
  • 9 PM–12 AM63%(40 flights)
On-time trend by month
79%
May

Jun 74% → May 79% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202574%179
July 202579%178
August 202585%174
September 202584%160
October 202581%198
November 202573%221
December 202576%234
January 202682%217
February 202679%202
March 202685%270
April 202681%212
May 202679%203

Keep nerding

Based on 2,468 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.