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Flight Reliability

UA 4357 · United Airlines

LRD → Houston (LRD–IAH)84% of its flights flew this route. The rest (ROC–IAD, ICT–IAH) are included in these numbers.

94
Nerd Approved
WanderNerd Reliability Score
86%
Arrive within 15 minutes
4 min
Average arrival delay
0%
Cancelled
10 min early
Median arrival delay

Based on 246 historical flights. Data through May 2026.

What the data says

The 12–3 PM departure wins.

UA 4357 departing between 12–3 PM arrived on time 100% of the time, versus 80% between 6–9 PM.

Saturday is the weak spot.

UA 4357 arrived on time 91% of the time on Mondays. On Saturdays: 80%.

A bit ahead of the United Airlines network.

UA 4357 arrived on time 86% of the time, versus 79% across the United Airlines network.

It basically never cancels.

Out of 246 scheduled flights, only 0.0% were cancelled.

The breakdown

On-time by weekday
  • Mon91%(35 flights)
  • Tue91%(35 flights)
  • Wed80%(35 flights)
  • Thu82%(34 flights)
  • Fri86%(36 flights)
  • Sat80%(35 flights)
  • Sun89%(36 flights)
On-time by departure window
  • 6–9 AM—(1 flights)
  • 9 AM–12 PM85%(207 flights)
  • 12–3 PM100%(17 flights)
  • 3–6 PM—(1 flights)
  • 6–9 PM80%(20 flights)
On-time trend by month
82%
May

Jun 87% → May 82% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%30
July 202587%31
August 202586%29
September 202586%29
October 202594%31
November 202573%30
December 202590%30
May 202682%28
Departures on time
90%
Diverted
0%
Flights flown
246
Months covered
11

Same route, other flights

Keep nerding

Based on 246 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.