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Flight Reliability

UA 4356 · United Airlines

LFT → Houston (LFT–IAH)98% of its flights flew this route. The rest (OKC–IAH) are included in these numbers.

85
Pretty Reliable
WanderNerd Reliability Score
84%
Arrive within 15 minutes
2 min
Average arrival delay
1.3%
Cancelled
12 min early
Median arrival delay

Based on 308 historical flights. Data through May 2026.

What the data says

Saturdays have been rough.

UA 4356 arrived on time 95% of the time on Wednesdays and just 78% on Saturdays. That gap is worth planning around.

A bit ahead of the United Airlines network.

UA 4356 arrived on time 84% of the time, versus 79% across the United Airlines network.

Ticking up lately.

UA 4356 arrived on time 88% of the time over the last three months in the data, compared with 84% in the three months before that.

The breakdown

On-time by weekday
  • Mon81%(43 flights)
  • Tue84%(43 flights)
  • Wed95%(42 flights)
  • Thu84%(43 flights)
  • Fri79%(43 flights)
  • Sat78%(46 flights)
  • Sun86%(43 flights)
On-time by departure window
  • 12–3 PM84%(298 flights)
  • 6–9 PM—(5 flights)
On-time trend by month
79%
May

Jun 78% → May 79% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202578%27
July 202577%31
August 202581%31
September 202597%30
October 202587%31
November 202574%27
December 202590%31
January 202684%31
February 2026100%26
May 202679%29
Departures on time
86%
Diverted
0.3%
Flights flown
303
Months covered
12

Same route, other flights

Keep nerding

Based on 308 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.