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Flight Reliability

UA 4927 · United Airlines

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

80
Pretty Reliable
WanderNerd Reliability Score
83%
Arrive within 15 minutes
3 min early
Average arrival delay
2.8%
Cancelled
13 min early
Median arrival delay

Based on 176 historical flights. Data through May 2026.

What the data says

Skip Saturday if you can.

UA 4927 arrived on time 91% of the time on Wednesdays. On Saturdays: 77%.

A bit ahead of the United Airlines network.

UA 4927 arrived on time 83% of the time, versus 79% across the United Airlines network.

Trending in the right direction.

UA 4927 arrived on time 87% of the time over the last three months in the data, compared with 78% in the three months before that.

The breakdown

On-time by weekday
  • Mon81%(26 flights)
  • Tue81%(26 flights)
  • Wed91%(21 flights)
  • Thu85%(26 flights)
  • Fri84%(25 flights)
  • Sat77%(26 flights)
  • Sun86%(21 flights)
On-time by departure window
  • 9 AM–12 PM—(1 flights)
  • 12–3 PM83%(169 flights)
  • 6–9 PM—(1 flights)
On-time trend by month
83%
Apr

Nov 72% → Apr 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
November 202572%25
December 202577%31
January 202683%24
February 202692%24
March 202687%31
April 202683%30
Departures on time
86%
Diverted
0%
Flights flown
171
Months covered
7

Same route, other flights

Keep nerding

Based on 176 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.