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Flight Reliability

UA 6152 · United Airlines

Houston → Kansas City (IAH–MCI)93% of its flights flew this route. The rest (IAD–BUF, IAH–ATL) are included in these numbers.

83
Pretty Reliable
WanderNerd Reliability Score
86%
Arrive within 15 minutes
4 min
Average arrival delay
2.1%
Cancelled
5 min early
Median arrival delay

Based on 280 historical flights. Data through May 2026.

What the data says

Friday is doing you no favors.

UA 6152 arrived on time 92% of the time on Tuesdays. On Fridays: 78%.

A bit ahead of the IAH–MCI route.

UA 6152 arrived on time 86% of the time, versus 83% across the IAH–MCI route.

Better than the United Airlines network average.

UA 6152 arrived on time 86% of the time, versus 79% across the United Airlines network.

Slipping a little lately.

UA 6152 arrived on time 87% of the time over the last three months in the data, compared with 91% in the three months before that.

The breakdown

On-time by weekday
  • Mon87%(39 flights)
  • Tue92%(39 flights)
  • Wed85%(39 flights)
  • Thu90%(39 flights)
  • Fri78%(41 flights)
  • Sat87%(37 flights)
  • Sun84%(38 flights)
On-time by departure window
  • 6–9 AM—(9 flights)
  • 12–3 PM85%(254 flights)
  • 3–6 PM—(9 flights)
On-time trend by month
92%
May

Jun 70% → May 92% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202570%27
July 202581%31
August 202575%20
September 202592%13
October 202593%30
November 202592%26
December 202593%30
January 202689%26
February 202691%11
March 202682%22
April 202688%24
May 202692%12
Departures on time
87%
Diverted
0.7%
Flights flown
272
Months covered
12

Same route, other flights

Keep nerding

Based on 280 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.