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Flight Reliability

UA 4894 · United Airlines

Houston → CRP (IAH–CRP)99% of its flights flew this route. The rest (IAH–OKC) are included in these numbers.

86
Pretty Reliable
WanderNerd Reliability Score
83%
Arrive within 15 minutes
3 min
Average arrival delay
1.3%
Cancelled
10 min early
Median arrival delay

Based on 223 historical flights. Data through May 2026.

What the data says

Sunday scaries are real for this one.

UA 4894 arrived on time 97% of the time on Fridays and just 71% on Sundays. That gap is worth planning around.

A bit ahead of the United Airlines network.

UA 4894 arrived on time 83% of the time, versus 79% across the United Airlines network.

Slipping a little lately.

UA 4894 arrived on time 82% of the time over the last three months in the data, compared with 88% in the three months before that.

The breakdown

On-time by weekday
  • Mon80%(30 flights)
  • Tue84%(31 flights)
  • Wed80%(30 flights)
  • Thu84%(32 flights)
  • Fri97%(32 flights)
  • Sat87%(31 flights)
  • Sun71%(34 flights)
On-time by departure window
  • 9 AM–12 PM84%(218 flights)
  • 12–3 PM—(2 flights)
On-time trend by month
82%
May

Jun 71% → May 82% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202571%28
July 202587%31
August 202589%18
December 202586%14
January 202687%30
February 202693%27
March 202677%30
April 202686%29
May 202682%11
Departures on time
85%
Diverted
0%
Flights flown
220
Months covered
10

Same route, other flights

Keep nerding

Based on 223 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.