Skip to content
WanderNerd
Check a flight

Route Reliability

Chicago → Phoenix

MDW–PHX · 1,444 miles · Chicago Midway International Airport to Phoenix Sky Harbor International Airport

78
Usually Fine
WanderNerd Reliability Score
77%
Arrive within 15 minutes
8 min
Average arrival delay
1.6%
Cancelled
2,820
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.Southwest Airlines77%2,684 flights
  2. 2.Frontier Airlines77%136 flights

What the data says

Morning-you made the right choice.

MDW–PHX flights departing between 3–6 AM arrived on time 95% of the time, versus 54% between 9 PM–12 AM.

Sunday scaries are real for this one.

MDW–PHX flights arrived on time 84% of the time on Saturdays. On Sundays: 73%.

Not much between Southwest Airlines and Frontier Airlines.

On this route they all land within 77% to 77% on time. Pick on schedule and price.

Flights on this route

The breakdown

On-time by weekday
  • Mon73%(423 flights)
  • Tue80%(386 flights)
  • Wed80%(383 flights)
  • Thu77%(427 flights)
  • Fri76%(416 flights)
  • Sat84%(309 flights)
  • Sun73%(425 flights)
On-time by departure window
  • 3–6 AM95%(273 flights)
  • 6–9 AM86%(503 flights)
  • 9 AM–12 PM83%(442 flights)
  • 12–3 PM79%(449 flights)
  • 3–6 PM71%(485 flights)
  • 6–9 PM64%(453 flights)
  • 9 PM–12 AM54%(164 flights)
On-time trend by month
78%
May

Jun 75% → May 78% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202575%233
July 202571%249
August 202585%209
September 202591%200
October 202575%264
November 202578%211
December 202567%240
January 202681%203
February 202682%206
March 202677%273
April 202670%249
May 202678%232

Same trip, other airports

Keep nerding

Based on 2,820 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.