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Flight Reliability

UA 226 · United Airlines

Boston → Houston (BOS–IAH)100% of its flights flew this route. The rest (CLT–EWR) are included in these numbers.

92
Nerd Approved
WanderNerd Reliability Score
93%
Arrive within 15 minutes
17 min early
Average arrival delay
1.9%
Cancelled
19 min early
Median arrival delay

Based on 365 historical flights. Data through May 2026.

What the data says

Skip Saturday if you can.

UA 226 arrived on time 96% of the time on Wednesdays. On Saturdays: 89%.

Better than the BOS–IAH route average.

UA 226 arrived on time 93% of the time, versus 82% across the BOS–IAH route.

Better than the United Airlines network average.

UA 226 arrived on time 93% of the time, versus 79% across the United Airlines network.

The breakdown

On-time by weekday
  • Mon94%(49 flights)
  • Tue96%(49 flights)
  • Wed96%(51 flights)
  • Thu94%(51 flights)
  • Fri89%(52 flights)
  • Sat89%(52 flights)
  • Sun94%(53 flights)
On-time by departure window
  • 6–9 AM93%(356 flights)
  • 12–3 PM—(1 flights)
On-time trend by month
87%
May

Jun 87% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%30
July 202594%31
August 202597%29
September 202593%30
October 202597%31
November 2025100%30
December 202594%31
January 202686%29
February 202692%25
March 202697%30
April 202693%30
May 202687%31
Departures on time
95%
Diverted
0.3%
Flights flown
357
Months covered
12

Same route, other flights

Keep nerding

Based on 365 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.