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Route Reliability

Houston → Phoenix

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

85
Pretty Reliable
WanderNerd Reliability Score
79%
Arrive within 15 minutes
5 min
Average arrival delay
0.6%
Cancelled
2,154
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 79% of the time across 2,154 flights. No comparison to make.

What the data says

Morning-you made the right choice.

HOU–PHX flights departing between 3–6 AM arrived on time 96% of the time, versus 67% between 9 PM–12 AM.

Sunday scaries are real for this one.

HOU–PHX flights arrived on time 87% of the time on Tuesdays. On Sundays: 75%.

Recent months have been rougher.

HOU–PHX flights arrived on time 77% of the time over the last three months in the data, compared with 88% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon79%(330 flights)
  • Tue87%(288 flights)
  • Wed78%(286 flights)
  • Thu78%(324 flights)
  • Fri79%(327 flights)
  • Sat79%(259 flights)
  • Sun75%(326 flights)
On-time by departure window
  • 3–6 AM96%(110 flights)
  • 6–9 AM93%(517 flights)
  • 9 AM–12 PM87%(186 flights)
  • 12–3 PM79%(326 flights)
  • 3–6 PM71%(345 flights)
  • 6–9 PM68%(413 flights)
  • 9 PM–12 AM67%(243 flights)
On-time trend by month
74%
May

Jun 72% → May 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202572%172
July 202576%180
August 202583%157
September 202581%149
October 202573%192
November 202573%184
December 202586%196
January 202687%167
February 202692%158
March 202684%196
April 202673%193
May 202674%196

Same trip, other airports

Keep nerding

Based on 2,154 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.