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Route Reliability

Philadelphia → Milwaukee

PHL–MKE · 690 miles · Philadelphia International Airport to Milwaukee Mitchell International Airport

65
Usually Fine
WanderNerd Reliability Score
74%
Arrive within 15 minutes
14 min
Average arrival delay
3.2%
Cancelled
776
Flights in the data

Data through May 2026.

American Airlines is the only airline in this data on this route, arriving on time 74% of the time across 776 flights. No comparison to make.

What the data says

The late departure is the smart one here.

PHL–MKE flights departing between 9 PM–12 AM arrived on time 88% of the time, versus 57% between 12–3 PM.

Thursday is the weak spot.

PHL–MKE flights arrived on time 82% of the time on Wednesdays. On Thursdays: 69%.

Keep a backup plan handy.

This route was cancelled 3.2% of the time. Typical for U.S. flights is around 1–2%.

Trending in the right direction.

PHL–MKE flights arrived on time 86% of the time over the last three months in the data, compared with 76% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon73%(109 flights)
  • Tue70%(101 flights)
  • Wed82%(103 flights)
  • Thu69%(109 flights)
  • Fri76%(112 flights)
  • Sat72%(99 flights)
  • Sun75%(115 flights)
On-time by departure window
  • 6–9 AM82%(163 flights)
  • 9 AM–12 PM83%(207 flights)
  • 12–3 PM57%(21 flights)
  • 3–6 PM68%(156 flights)
  • 6–9 PM60%(176 flights)
  • 9 PM–12 AM88%(25 flights)
On-time trend by month
82%
May

Jun 58% → May 82% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202558%93
July 202552%84
August 202575%88
September 202586%76
October 202574%88
November 202580%39
December 202564%44
January 202678%51
February 202686%35
March 202690%29
April 202687%53
May 202682%68

Keep nerding

Based on 776 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.