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Flight Reliability

UA 4946 · United Airlines

Houston → Huntsville (IAH–HSV)

82
Pretty Reliable
WanderNerd Reliability Score
77%
Arrive within 15 minutes
11 min
Average arrival delay
0.6%
Cancelled
6 min early
Median arrival delay

Based on 318 historical flights. Data through May 2026.

What the data says

The 12–3 PM departure wins.

UA 4946 departing between 12–3 PM arrived on time 78% of the time, versus 64% between 3–6 PM.

Sunday scaries are real for this one.

UA 4946 arrived on time 83% of the time on Wednesdays. On Sundays: 71%.

A bit behind the IAH–HSV route.

UA 4946 arrived on time 77% of the time, versus 80% across the IAH–HSV route.

Ticking up lately.

UA 4946 arrived on time 81% of the time over the last three months in the data, compared with 77% in the three months before that.

The breakdown

On-time by weekday
  • Mon73%(51 flights)
  • Tue80%(35 flights)
  • Wed83%(40 flights)
  • Thu80%(51 flights)
  • Fri77%(52 flights)
  • Sat75%(36 flights)
  • Sun71%(51 flights)
On-time by departure window
  • 12–3 PM78%(288 flights)
  • 3–6 PM64%(28 flights)
On-time trend by month
75%
May

Jun 53% → May 75% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202553%30
July 202571%31
August 202568%31
September 202580%30
October 202590%30
November 202593%27
December 202576%29
January 202667%18
February 202690%19
March 202673%26
April 202694%17
May 202675%28
Departures on time
77%
Diverted
0%
Flights flown
316
Months covered
12

Same route, other flights

Keep nerding

Based on 318 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.