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Route Reliability

Houston → Tucson

IAH–TUS · 937 miles · George Bush Intercontinental Airport to Tucson International Airport

88
Pretty Reliable
WanderNerd Reliability Score
85%
Arrive within 15 minutes
4 min early
Average arrival delay
1.3%
Cancelled
720
Flights in the data

Data through May 2026.

United Airlines is the only airline in this data on this route, arriving on time 85% of the time across 720 flights. No comparison to make.

What the data says

Morning-you made the right choice.

IAH–TUS flights departing between 9 AM–12 PM arrived on time 92% of the time, versus 77% between 6–9 PM.

Skip Thursday if you can.

IAH–TUS flights arrived on time 89% of the time on Wednesdays. On Thursdays: 81%.

Flights on this route

The breakdown

On-time by weekday
  • Mon82%(102 flights)
  • Tue88%(93 flights)
  • Wed89%(103 flights)
  • Thu81%(104 flights)
  • Fri85%(103 flights)
  • Sat85%(103 flights)
  • Sun85%(103 flights)
On-time by departure window
  • 6–9 AM—(2 flights)
  • 9 AM–12 PM92%(360 flights)
  • 3–6 PM—(5 flights)
  • 6–9 PM77%(344 flights)
On-time trend by month
84%
May

Jun 71% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202571%58
July 202578%60
August 202587%62
September 202590%60
October 202587%61
November 202590%57
December 202584%62
January 202688%57
February 202691%54
March 202686%58
April 202683%60
May 202684%62

Same trip, other airports

Keep nerding

Based on 720 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.