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Flight Reliability

UA 4732 · United Airlines

Denver → MAF (DEN–MAF)86% of its flights flew this route. The rest (DEN–COU, OMA–IAH) are included in these numbers.

69
Usually Fine
WanderNerd Reliability Score
71%
Arrive within 15 minutes
22 min
Average arrival delay
0.8%
Cancelled
6 min early
Median arrival delay

Based on 354 historical flights. Data through May 2026.

What the data says

The late departure is the smart one here.

UA 4732 departing between 6–9 PM arrived on time 81% of the time, versus 60% between 3–6 PM.

Saturdays have been rough.

UA 4732 arrived on time 79% of the time on Wednesdays and just 61% on Saturdays. That gap is worth planning around.

A bit behind the DEN–MAF route.

UA 4732 arrived on time 71% of the time, versus 75% across the DEN–MAF route.

Lagging the United Airlines network.

UA 4732 arrived on time 71% of the time, versus 79% across the United Airlines network.

The breakdown

On-time by weekday
  • Mon78%(50 flights)
  • Tue75%(51 flights)
  • Wed79%(52 flights)
  • Thu69%(51 flights)
  • Fri62%(50 flights)
  • Sat61%(44 flights)
  • Sun73%(52 flights)
On-time by departure window
  • 6–9 AM—(3 flights)
  • 12–3 PM63%(16 flights)
  • 3–6 PM60%(146 flights)
  • 6–9 PM81%(185 flights)
On-time trend by month
68%
May

Jun 24% → May 68% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202524%29
July 202547%30
August 202565%31
September 202577%30
October 202587%31
November 202589%26
December 202577%31
January 202671%24
February 202689%28
March 202683%29
April 202680%30
May 202668%31
Departures on time
74%
Diverted
0.3%
Flights flown
350
Months covered
12

Same route, other flights

Keep nerding

Based on 354 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.