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Flight Reliability

UA 4746 · United Airlines

Nashville → Houston (BNA–IAH)97% of its flights flew this route. The rest (ORD–RDU, MBS–ORD) are included in these numbers.

90
Nerd Approved
WanderNerd Reliability Score
87%
Arrive within 15 minutes
2 min
Average arrival delay
1.1%
Cancelled
12 min early
Median arrival delay

Based on 365 historical flights. Data through May 2026.

What the data says

Wednesday comes out ahead.

A small edge: 90% on time on Wednesdays against 85% on Sundays.

A bit ahead of the BNA–IAH route.

UA 4746 arrived on time 87% of the time, versus 82% across the BNA–IAH route.

Better than the United Airlines network average.

UA 4746 arrived on time 87% of the time, versus 79% across the United Airlines network.

Recent months have been rougher.

UA 4746 arrived on time 81% of the time over the last three months in the data, compared with 92% in the three months before that.

The breakdown

On-time by weekday
  • Mon86%(49 flights)
  • Tue89%(52 flights)
  • Wed90%(52 flights)
  • Thu85%(52 flights)
  • Fri85%(52 flights)
  • Sat89%(52 flights)
  • Sun85%(52 flights)
On-time by departure window
  • 6–9 AM87%(360 flights)
  • 9 AM–12 PM—(1 flights)
On-time trend by month
71%
May

Jun 73% → May 71% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202573%30
July 202583%30
August 202594%31
September 202593%30
October 202587%31
November 202590%30
December 202584%31
January 202693%29
February 2026100%28
March 202693%30
April 202680%30
May 202671%31
Departures on time
86%
Diverted
0%
Flights flown
361
Months covered
12

Same route, other flights

Keep nerding

Based on 365 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.