OnTimeRoutes
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United Airlines IAH to BNA on-time performance

United Airlines nonstop flights from Houston to Nashville · Aug 2025 – Jul 2026

On-time arrivals
74%
arrived < 15 min late
Cancelled
0.5%
5 flights
Avg arrival delay
15 min
55 min when late
Rank on route
#1 of 3
route average 73% on time

Key facts

  • United Airlines flights on IAH to BNA arrived on time 74% of the time in Aug 2025 – Jul 2026.
  • 0.5% were cancelled, and 7% arrived an hour or more late.
  • That ranks #1 of 3 airlines on this route, which averaged 73% on time overall.
  • The largest source of delay minutes was late-arriving aircraft (37%).

On-time trend by month

40%70%100%July 2025: 63.6% on time, 0.0% cancelledJul ’25August 2025: 72.5% on time, 0.0% cancelledAug ’25September 2025: 79.5% on time, 0.0% cancelledSep ’25October 2025: 76.7% on time, 0.0% cancelledOct ’25November 2025: 71.7% on time, 0.0% cancelledNov ’25December 2025: 77.9% on time, 0.0% cancelledDec ’25January 2026: 87.9% on time, 5.7% cancelledJan ’26February 2026: 89.7% on time, 0.0% cancelledFeb ’26March 2026: 74.8% on time, 0.9% cancelledMar ’26April 2026: 59.8% on time, 0.0% cancelledApr ’26May 2026: 70.0% on time, 0.0% cancelledMay ’26June 2026: 65.7% on time, 0.0% cancelledJun ’26July 2026: 72.1% on time, 0.0% cancelledJul ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Late-arriving aircraft37%
  • Air traffic control & airport congestion33%
  • Airline (crew, maintenance, cleaning, fueling)24%
  • Extreme weather6%
  • Security0%

Other airlines on IAH to BNA

1,024 United Airlines flights tracked on this route; 5 cancelled, 4 diverted.

Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.