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Flight Reliability

UA 4869 · United Airlines

Houston → Pensacola (IAH–PNS)89% of its flights flew this route. The rest (BRO–IAH, IAD–ORF) are included in these numbers.

83
Pretty Reliable
WanderNerd Reliability Score
84%
Arrive within 15 minutes
4 min
Average arrival delay
1.8%
Cancelled
9 min early
Median arrival delay

Based on 222 historical flights. Data through May 2026.

What the data says

Saturdays have been rough.

UA 4869 arrived on time 93% of the time on Tuesdays and just 74% on Saturdays. That gap is worth planning around.

A bit ahead of the IAH–PNS route.

UA 4869 arrived on time 84% of the time, versus 79% across the IAH–PNS route.

A bit ahead of the United Airlines network.

UA 4869 arrived on time 84% of the time, versus 79% across the United Airlines network.

Slipping a little lately.

UA 4869 arrived on time 83% of the time over the last three months in the data, compared with 87% in the three months before that.

The breakdown

On-time by weekday
  • Mon88%(34 flights)
  • Tue93%(30 flights)
  • Wed82%(28 flights)
  • Thu90%(30 flights)
  • Fri86%(29 flights)
  • Sat74%(34 flights)
  • Sun75%(32 flights)
On-time by departure window
  • 6–9 AM—(2 flights)
  • 12–3 PM85%(215 flights)
On-time trend by month
85%
May

Jun 77% → May 85% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202577%22
November 202591%21
December 202583%30
January 202681%31
February 202696%28
March 202680%30
April 202683%30
May 202685%20
Departures on time
86%
Diverted
0.5%
Flights flown
217
Months covered
10

Same route, other flights

Keep nerding

Based on 222 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.