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Route Reliability

Houston → PIB

IAH–PIB · 372 miles · George Bush Intercontinental Airport to PIB Airport

73
Usually Fine
WanderNerd Reliability Score
74%
Arrive within 15 minutes
13 min
Average arrival delay
1.1%
Cancelled
627
Flights in the data

Data through May 2026.

United Airlines is the only airline in this data on this route, arriving on time 74% of the time across 627 flights. No comparison to make.

What the data says

Departure time hasn't mattered much.

On-time rates stay between 74% and 75% across the day.

Tuesday is the weak spot.

IAH–PIB flights arrived on time 78% of the time on Mondays. On Tuesdays: 69%.

Recent months have been rougher.

IAH–PIB flights arrived on time 67% of the time over the last three months in the data, compared with 75% in the three months before that.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon78%(103 flights)
  • Tue69%(55 flights)
  • Wed76%(99 flights)
  • Thu75%(99 flights)
  • Fri78%(103 flights)
  • Sat71%(55 flights)
  • Sun70%(101 flights)
On-time by departure window
  • 6–9 AM74%(351 flights)
  • 9 AM–12 PM—(7 flights)
  • 12–3 PM74%(202 flights)
  • 3–6 PM75%(55 flights)
On-time trend by month
68%
May

Jun 65% → May 68% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202565%51
July 202581%52
August 202573%52
September 202584%51
October 202583%52
November 202580%49
December 202571%55
January 202678%50
February 202677%48
March 202662%50
April 202671%52
May 202668%53

Keep nerding

Based on 627 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.