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Flight Reliability

UA 1934 · United Airlines

Houston → Cleveland (IAH–CLE)96% of its flights flew this route. The rest (AUS–IAH, LAX–IAH) are included in these numbers.

91
Nerd Approved
WanderNerd Reliability Score
86%
Arrive within 15 minutes
1 min
Average arrival delay
0.5%
Cancelled
9 min early
Median arrival delay

Based on 381 historical flights. Data through May 2026.

What the data says

Morning flights do better here.

UA 1934 departing between 6–9 AM arrived on time 93% of the time, versus 76% between 3–6 PM.

Sunday scaries are real for this one.

UA 1934 arrived on time 95% of the time on Fridays and just 74% on Sundays. That gap is worth planning around.

A bit ahead of the United Airlines network.

UA 1934 arrived on time 86% of the time, versus 79% across the United Airlines network.

Recent months have been rougher.

UA 1934 arrived on time 77% of the time over the last three months in the data, compared with 86% in the three months before that.

The breakdown

On-time by weekday
  • Mon77%(56 flights)
  • Tue91%(54 flights)
  • Wed90%(52 flights)
  • Thu87%(55 flights)
  • Fri95%(55 flights)
  • Sat87%(53 flights)
  • Sun74%(53 flights)
On-time by departure window
  • 6–9 AM93%(173 flights)
  • 12–3 PM83%(12 flights)
  • 3–6 PM76%(41 flights)
  • 6–9 PM81%(152 flights)
On-time trend by month
84%
May

Jun 71% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202571%34
July 202597%31
August 202590%31
September 202590%29
October 2025100%31
November 202593%29
December 202583%40
January 202694%34
February 202682%28
March 202670%30
April 202677%30
May 202684%31
Departures on time
86%
Diverted
0.3%
Flights flown
378
Months covered
12

Same route, other flights

Keep nerding

Based on 381 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.