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Route Reliability

Phoenix → Houston

PHX–HOU · 1,020 miles · Phoenix Sky Harbor International Airport to William P. Hobby Airport

78
Usually Fine
WanderNerd Reliability Score
73%
Arrive within 15 minutes
12 min
Average arrival delay
0.5%
Cancelled
2,160
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 73% of the time across 2,160 flights. No comparison to make.

What the data says

Morning-you made the right choice.

PHX–HOU flights departing between 3–6 AM arrived on time 95% of the time, versus 44% between 9 PM–12 AM.

Friday is doing you no favors.

PHX–HOU flights arrived on time 77% of the time on Tuesdays. On Fridays: 70%.

Recent months have been rougher.

PHX–HOU flights arrived on time 64% of the time over the last three months in the data, compared with 81% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon72%(331 flights)
  • Tue77%(288 flights)
  • Wed77%(284 flights)
  • Thu73%(325 flights)
  • Fri70%(329 flights)
  • Sat73%(261 flights)
  • Sun72%(330 flights)
On-time by departure window
  • 3–6 AM95%(276 flights)
  • 6–9 AM92%(379 flights)
  • 9 AM–12 PM79%(368 flights)
  • 12–3 PM71%(369 flights)
  • 3–6 PM56%(332 flights)
  • 6–9 PM53%(408 flights)
  • 9 PM–12 AM44%(16 flights)
On-time trend by month
67%
May

Jun 73% → May 67% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202573%176
July 202564%180
August 202582%158
September 202586%150
October 202578%192
November 202567%182
December 202575%197
January 202686%169
February 202682%158
March 202652%196
April 202674%193
May 202667%197

Same trip, other airports

Keep nerding

Based on 2,160 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.