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Route Reliability

Houston → Boston

IAH–BOS · 1,597 miles · George Bush Intercontinental Airport to Boston Logan International Airport

74
Usually Fine
WanderNerd Reliability Score
73%
Arrive within 15 minutes
14 min
Average arrival delay
1.4%
Cancelled
2,035
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.United Airlines76%1,575 flights
  2. 2.JetBlue Airways63%460 flights

What the data says

Morning-you made the right choice.

IAH–BOS flights departing between 6–9 AM arrived on time 95% of the time, versus 62% between 3–6 PM.

Skip Thursday if you can.

IAH–BOS flights arrived on time 82% of the time on Saturdays. On Thursdays: 68%.

United Airlines runs this route best.

United Airlines arrived on time 76% of the time on this route; JetBlue Airways managed 63%.

Recent months have been rougher.

IAH–BOS flights arrived on time 76% of the time over the last three months in the data, compared with 87% 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
  • Mon72%(292 flights)
  • Tue74%(276 flights)
  • Wed75%(282 flights)
  • Thu68%(295 flights)
  • Fri72%(297 flights)
  • Sat82%(262 flights)
  • Sun71%(301 flights)
On-time by departure window
  • 6–9 AM95%(360 flights)
  • 9 AM–12 PM75%(363 flights)
  • 12–3 PM64%(563 flights)
  • 3–6 PM62%(322 flights)
  • 6–9 PM73%(397 flights)
On-time trend by month
74%
May

Jun 64% → May 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202564%193
July 202571%212
August 202572%195
September 202559%157
October 202556%188
November 202578%188
December 202587%175
January 202685%109
February 202689%112
March 202678%147
April 202676%151
May 202674%178

Keep nerding

Based on 2,035 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.