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Route Reliability

Phoenix → Milwaukee

PHX–MKE · 1,460 miles · Phoenix Sky Harbor International Airport to Milwaukee Mitchell International Airport

79
Usually Fine
WanderNerd Reliability Score
75%
Arrive within 15 minutes
9 min
Average arrival delay
0.9%
Cancelled
1,485
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.American Airlines81%487 flights
  2. 2.Southwest Airlines73%994 flights

Not enough history to rank: Frontier Airlines (4 flights). We rank airlines only after 100 flights on the route.

What the data says

Morning flights do better here.

PHX–MKE flights departing between 6–9 AM arrived on time 88% of the time, versus 63% between 12–3 PM.

Monday is the weak spot.

PHX–MKE flights arrived on time 80% of the time on Tuesdays. On Mondays: 70%.

American Airlines runs this route best.

American Airlines arrived on time 81% of the time on this route; Southwest Airlines managed 73%.

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
  • Mon70%(219 flights)
  • Tue80%(195 flights)
  • Wed75%(198 flights)
  • Thu77%(226 flights)
  • Fri79%(222 flights)
  • Sat77%(208 flights)
  • Sun70%(199 flights)
On-time by departure window
  • 3–6 AM—(4 flights)
  • 6–9 AM88%(392 flights)
  • 9 AM–12 PM83%(292 flights)
  • 12–3 PM63%(184 flights)
  • 3–6 PM71%(265 flights)
  • 6–9 PM63%(328 flights)
  • 9 PM–12 AM—(2 flights)
On-time trend by month
67%
May

Jun 77% → May 67% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202577%111
July 202576%114
August 202578%100
September 202581%98
October 202581%119
November 202575%128
December 202572%141
January 202671%112
February 202682%113
March 202672%157
April 202677%141
May 202667%133

Keep nerding

Based on 1,485 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.