Skip to content
WanderNerd
Check a flight

Flight Reliability

UA 6124 · United Airlines

Kansas City → Houston (MCI–IAH)90% of its flights flew this route. The rest (STL–IAH, ATL–IAH) are included in these numbers.

79
Usually Fine
WanderNerd Reliability Score
84%
Arrive within 15 minutes
4 min
Average arrival delay
1.8%
Cancelled
7 min early
Median arrival delay

Based on 339 historical flights. Data through May 2026.

What the data says

Morning flights do better here.

UA 6124 departing between 9 AM–12 PM arrived on time 100% of the time, versus 69% between 12–3 PM.

Saturdays have been rough.

UA 6124 arrived on time 94% of the time on Thursdays and just 72% on Saturdays. That gap is worth planning around.

A bit ahead of the United Airlines network.

UA 6124 arrived on time 84% of the time, versus 79% across the United Airlines network.

Recent months have been rougher.

UA 6124 arrived on time 84% of the time over the last three months in the data, compared with 96% in the three months before that.

The breakdown

On-time by weekday
  • Mon87%(45 flights)
  • Tue85%(47 flights)
  • Wed92%(49 flights)
  • Thu94%(48 flights)
  • Fri76%(49 flights)
  • Sat72%(43 flights)
  • Sun81%(47 flights)
On-time by departure window
  • 9 AM–12 PM100%(21 flights)
  • 12–3 PM69%(39 flights)
  • 3–6 PM85%(268 flights)
On-time trend by month
83%
May

Jun 59% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202559%27
July 202580%30
August 202574%31
September 202587%30
October 202583%30
November 202583%29
December 202593%29
January 202696%26
February 2026100%27
March 202683%29
April 202686%28
May 202683%12
Departures on time
87%
Diverted
1.5%
Flights flown
328
Months covered
12

Same route, other flights

Keep nerding

Based on 339 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.