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Flight Reliability

UA 4354 · United Airlines

Houston → LBB (IAH–LBB)95% of its flights flew this route. The rest (LFT–IAH, SAV–IAD) are included in these numbers.

87
Pretty Reliable
WanderNerd Reliability Score
87%
Arrive within 15 minutes
1 min early
Average arrival delay
1.4%
Cancelled
10 min early
Median arrival delay

Based on 348 historical flights. Data through May 2026.

What the data says

Sunday scaries are real for this one.

UA 4354 arrived on time 96% of the time on Tuesdays and just 76% on Sundays. That gap is worth planning around.

A bit ahead of the IAH–LBB route.

UA 4354 arrived on time 87% of the time, versus 83% across the IAH–LBB route.

Better than the United Airlines network average.

UA 4354 arrived on time 87% of the time, versus 79% across the United Airlines network.

Ticking up lately.

UA 4354 arrived on time 94% of the time over the last three months in the data, compared with 87% in the three months before that.

The breakdown

On-time by weekday
  • Mon89%(44 flights)
  • Tue96%(50 flights)
  • Wed92%(50 flights)
  • Thu86%(51 flights)
  • Fri88%(51 flights)
  • Sat80%(45 flights)
  • Sun76%(50 flights)
On-time trend by month
93%
May

Jun 62% → May 93% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202562%29
July 202581%26
August 202574%27
September 202597%30
October 202590%31
November 202593%29
December 202590%31
January 202675%28
February 202696%25
March 202690%29
April 2026100%29
May 202693%27
Departures on time
86%
Diverted
0.6%
Flights flown
341
Months covered
12

Same route, other flights

Keep nerding

Based on 348 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.