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Route Reliability

Houston → Huntsville

IAH–HSV · 595 miles · George Bush Intercontinental Airport to Huntsville International Airport

82
Pretty Reliable
WanderNerd Reliability Score
80%
Arrive within 15 minutes
7 min
Average arrival delay
1.0%
Cancelled
1,402
Flights in the data

Data through May 2026.

United Airlines is the only airline in this data on this route, arriving on time 80% of the time across 1,402 flights. No comparison to make.

What the data says

Morning flights do better here.

IAH–HSV flights departing between 9 AM–12 PM arrived on time 88% of the time, versus 64% between 3–6 PM.

Monday is the weak spot.

IAH–HSV flights arrived on time 85% of the time on Thursdays. On Mondays: 74%.

Slipping a little lately.

IAH–HSV flights arrived on time 81% of the time over the last three months in the data, compared with 85% 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
  • Mon74%(197 flights)
  • Tue83%(171 flights)
  • Wed85%(188 flights)
  • Thu85%(212 flights)
  • Fri77%(213 flights)
  • Sat78%(184 flights)
  • Sun77%(218 flights)
On-time by departure window
  • 9 AM–12 PM88%(387 flights)
  • 12–3 PM79%(463 flights)
  • 3–6 PM64%(28 flights)
  • 6–9 PM76%(503 flights)
  • 9 PM–12 AM—(2 flights)
On-time trend by month
77%
May

Jun 57% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202557%129
July 202574%113
August 202574%112
September 202588%107
October 202587%121
November 202585%142
December 202581%115
January 202684%105
February 202689%93
March 202679%112
April 202686%107
May 202677%127

Keep nerding

Based on 1,402 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.