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Flight Reliability

UA 5428 · United Airlines

Denver → LBB (DEN–LBB)90% of its flights flew this route. The rest (ORD–BUF, TVC–ORD) are included in these numbers.

49
Bring Snacks
WanderNerd Reliability Score
67%
Arrive within 15 minutes
29 min
Average arrival delay
2.9%
Cancelled
4 min early
Median arrival delay

Based on 339 historical flights. Data through May 2026.

What the data says

The late departure is the smart one here.

UA 5428 departing between 6–9 PM arrived on time 69% of the time, versus 33% between 9 AM–12 PM.

Saturdays have been rough.

UA 5428 arrived on time 78% of the time on Tuesdays and just 48% on Saturdays. That gap is worth planning around.

A bit behind the DEN–LBB route.

UA 5428 arrived on time 67% of the time, versus 72% across the DEN–LBB route.

Lagging the United Airlines network.

UA 5428 arrived on time 67% of the time, versus 79% across the United Airlines network.

The breakdown

On-time by weekday
  • Mon68%(50 flights)
  • Tue78%(49 flights)
  • Wed67%(51 flights)
  • Thu72%(50 flights)
  • Fri68%(50 flights)
  • Sat48%(27 flights)
  • Sun56%(48 flights)
On-time by departure window
  • 9 AM–12 PM33%(21 flights)
  • 12–3 PM—(4 flights)
  • 3–6 PM—(5 flights)
  • 6–9 PM69%(295 flights)
On-time trend by month
78%
May

Jun 41% → May 78% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202541%29
July 202543%28
August 202559%27
September 202577%26
October 202585%27
November 202584%25
December 202579%29
January 202671%28
February 202672%25
March 202643%28
April 202670%30
May 202678%23
Departures on time
68%
Diverted
1.2%
Flights flown
325
Months covered
12

Same route, other flights

Keep nerding

Based on 339 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.