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Flight Reliability

UA 4825 · United Airlines

Houston → CRP (IAH–CRP)90% of its flights flew this route. The rest (IAH–BHM, IAD–ORF) are included in these numbers.

80
Pretty Reliable
WanderNerd Reliability Score
83%
Arrive within 15 minutes
6 min
Average arrival delay
1.9%
Cancelled
11 min early
Median arrival delay

Based on 259 historical flights. Data through May 2026.

What the data says

The late departure is the smart one here.

UA 4825 departing between 6–9 PM arrived on time 89% of the time, versus 82% between 12–3 PM.

Thursday is the weak spot.

UA 4825 arrived on time 88% of the time on Mondays. On Thursdays: 77%.

A bit ahead of the United Airlines network.

UA 4825 arrived on time 83% of the time, versus 79% across the United Airlines network.

Slipping a little lately.

UA 4825 arrived on time 87% of the time over the last three months in the data, compared with 90% in the three months before that.

The breakdown

On-time by weekday
  • Mon88%(33 flights)
  • Tue86%(36 flights)
  • Wed84%(37 flights)
  • Thu77%(35 flights)
  • Fri81%(37 flights)
  • Sat85%(39 flights)
  • Sun80%(35 flights)
On-time by departure window
  • 6–9 AM—(5 flights)
  • 12–3 PM82%(216 flights)
  • 3–6 PM—(3 flights)
  • 6–9 PM89%(28 flights)
On-time trend by month
81%
May

Jun 62% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202562%26
July 202573%30
August 202583%30
September 202590%30
October 202592%25
February 202688%17
March 202690%30
April 202689%27
May 202681%31
Departures on time
83%
Diverted
0.8%
Flights flown
252
Months covered
11

Same route, other flights

Keep nerding

Based on 259 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.