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Route Reliability

Pittsburgh → Houston

PIT–HOU · 1,131 miles · Pittsburgh International Airport to William P. Hobby Airport

83
Pretty Reliable
WanderNerd Reliability Score
78%
Arrive within 15 minutes
5 min
Average arrival delay
0.3%
Cancelled
317
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 78% of the time across 317 flights. No comparison to make.

What the data says

Morning flights do better here.

PIT–HOU flights departing between 9 AM–12 PM arrived on time 92% of the time, versus 63% between 6–9 PM.

Tuesday is the weak spot.

PIT–HOU flights arrived on time 82% of the time on Saturdays. On Tuesdays: 75%.

It basically never cancels.

Out of 317 scheduled flights, only 0.3% were cancelled.

Recent months have been rougher.

PIT–HOU flights arrived on time 61% of the time over the last three months in the data, compared with 83% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon76%(49 flights)
  • Tue75%(44 flights)
  • Wed79%(42 flights)
  • Thu79%(48 flights)
  • Fri79%(48 flights)
  • Sat82%(34 flights)
  • Sun76%(50 flights)
On-time by departure window
  • 3–6 AM—(7 flights)
  • 6–9 AM—(3 flights)
  • 9 AM–12 PM92%(26 flights)
  • 12–3 PM84%(100 flights)
  • 3–6 PM77%(107 flights)
  • 6–9 PM63%(72 flights)
On-time trend by month
52%
May

Jun 60% → May 52% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202560%30
July 202571%31
August 2025100%26
September 202596%26
October 202593%30
November 202590%29
December 202577%31
February 202683%18
March 202652%25
April 202679%29
May 202652%31

Same trip, other airports

Keep nerding

Based on 317 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.