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Flight Reliability

UA 5989 · United Airlines

LBB → Denver (LBB–DEN)97% of its flights flew this route. The rest (DEN–IDA) are included in these numbers.

30
Bring Snacks
WanderNerd Reliability Score
51%
Arrive within 15 minutes
37 min
Average arrival delay
1.8%
Cancelled
15 min
Median arrival delay

Based on 337 historical flights. Data through May 2026.

What the data says

The late departure is the smart one here.

UA 5989 departing between 6–9 PM arrived on time 62% of the time, versus 50% between 3–6 PM.

Saturdays have been rough.

UA 5989 arrived on time 60% of the time on Mondays and just 38% on Saturdays. That gap is worth planning around.

Well behind the LBB–DEN route.

UA 5989 arrived on time 51% of the time, versus 74% across the LBB–DEN route.

Well behind the United Airlines network.

UA 5989 arrived on time 51% of the time, versus 79% across the United Airlines network.

The breakdown

On-time by weekday
  • Mon60%(53 flights)
  • Tue42%(52 flights)
  • Wed55%(53 flights)
  • Thu51%(49 flights)
  • Fri44%(52 flights)
  • Sat38%(16 flights)
  • Sun55%(49 flights)
On-time by departure window
  • 3–6 PM50%(311 flights)
  • 6–9 PM62%(13 flights)
On-time trend by month
56%
May

Jun 28% → May 56% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202528%29
July 202537%27
August 202528%25
September 202542%26
October 202552%27
November 202564%25
December 202552%29
January 202654%24
February 202646%24
March 202685%26
April 202665%26
May 202656%36
Departures on time
67%
Diverted
2.1%
Flights flown
324
Months covered
12

Same route, other flights

Keep nerding

Based on 337 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.