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Flight Reliability

UA 4785 · United Airlines

Houston → Nashville (IAH–BNA)88% of its flights flew this route. The rest (ORD–ILM, DEN–MKE) are included in these numbers.

71
Usually Fine
WanderNerd Reliability Score
71%
Arrive within 15 minutes
17 min
Average arrival delay
1.1%
Cancelled
0 min
Median arrival delay

Based on 360 historical flights. Data through May 2026.

What the data says

Mornings have a slight edge.

Departures between 9 AM–12 PM arrived on time 75% of the time, against 71% between 6–9 PM.

Sunday scaries are real for this one.

UA 4785 arrived on time 77% of the time on Wednesdays. On Sundays: 67%.

A bit behind the IAH–BNA route.

UA 4785 arrived on time 71% of the time, versus 76% across the IAH–BNA route.

Lagging the United Airlines network.

UA 4785 arrived on time 71% of the time, versus 79% across the United Airlines network.

The breakdown

On-time by weekday
  • Mon71%(51 flights)
  • Tue73%(51 flights)
  • Wed77%(52 flights)
  • Thu71%(52 flights)
  • Fri71%(52 flights)
  • Sat69%(49 flights)
  • Sun67%(49 flights)
On-time by departure window
  • 9 AM–12 PM75%(36 flights)
  • 6–9 PM71%(320 flights)
On-time trend by month
63%
May

Jun 48% → May 63% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202548%29
July 202577%31
August 202574%31
September 202593%30
October 202577%31
November 202566%29
December 202565%31
January 202690%29
February 202679%28
March 202650%30
April 202673%30
May 202663%27
Departures on time
73%
Diverted
0%
Flights flown
356
Months covered
12

Same route, other flights

Keep nerding

Based on 360 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.