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Flight Reliability

UA 4226 · United Airlines

LRD → Houston (LRD–IAH)100% of its flights flew this route. The rest (LBB–IAH) are included in these numbers.

93
Nerd Approved
WanderNerd Reliability Score
90%
Arrive within 15 minutes
0 min
Average arrival delay
0.8%
Cancelled
8 min early
Median arrival delay

Based on 364 historical flights. Data through May 2026.

What the data says

Sunday scaries are real for this one.

UA 4226 arrived on time 94% of the time on Tuesdays. On Sundays: 83%.

A bit ahead of the LRD–IAH route.

UA 4226 arrived on time 90% of the time, versus 83% across the LRD–IAH route.

Better than the United Airlines network average.

UA 4226 arrived on time 90% of the time, versus 79% across the United Airlines network.

The breakdown

On-time by weekday
  • Mon94%(50 flights)
  • Tue94%(52 flights)
  • Wed92%(51 flights)
  • Thu86%(51 flights)
  • Fri92%(52 flights)
  • Sat88%(51 flights)
  • Sun83%(52 flights)
On-time by departure window
  • 6–9 AM90%(358 flights)
  • 12–3 PM—(1 flights)
On-time trend by month
84%
May

Jun 90% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202590%29
July 202597%30
August 2025100%31
September 202597%30
October 202590%31
November 202590%30
December 202581%31
January 202686%29
February 202689%28
March 202683%30
April 202693%29
May 202684%31
Departures on time
92%
Diverted
0.5%
Flights flown
359
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.