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Flight Reliability

UA 701 · United Airlines

Houston → San Juan (IAH–SJU)

94
Nerd Approved
WanderNerd Reliability Score
87%
Arrive within 15 minutes
0 min
Average arrival delay
0.3%
Cancelled
12 min early
Median arrival delay

Based on 364 historical flights. Data through May 2026.

What the data says

Skip Wednesday if you can.

UA 701 arrived on time 92% of the time on Fridays. On Wednesdays: 81%.

A bit ahead of the IAH–SJU route.

UA 701 arrived on time 87% of the time, versus 81% across the IAH–SJU route.

Better than the United Airlines network average.

UA 701 arrived on time 87% of the time, versus 79% across the United Airlines network.

It basically never cancels.

Out of 364 scheduled flights, only 0.3% were cancelled.

The breakdown

On-time by weekday
  • Mon85%(52 flights)
  • Tue90%(51 flights)
  • Wed81%(52 flights)
  • Thu89%(52 flights)
  • Fri92%(52 flights)
  • Sat92%(51 flights)
  • Sun83%(53 flights)
On-time trend by month
84%
May

Jun 67% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202567%30
July 202568%31
August 202581%31
September 202593%30
October 202597%31
November 202587%30
December 202587%31
January 2026100%30
February 202696%27
March 202694%31
April 202697%30
May 202684%31
Departures on time
84%
Diverted
0%
Flights flown
363
Months covered
12

Same route, other flights

Keep nerding

Based on 364 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.