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WanderNerd

Flight Reliability

UA 1500 · United Airlines

Cedar Rapids → Denver (CIDDEN)93% of its flights flew this route. The rest (DEN–BZN, BWI–SFO) are included in these numbers.

82
Pretty Reliable
WanderNerd Reliability Score
83%
Arrive within 15 minutes
13 min
Average arrival delay
1.9%
Cancelled
5 min early
Median arrival delay

Based on 365 historical flights. Data through May 2026.

What the data says

Sunday scaries are real for this one.

UA 1500 arrived on time 90% of the time on Fridays and just 75% on Sundays. That gap is worth planning around.

A bit ahead of the CID–DEN route.

UA 1500 arrived on time 83% of the time, versus 77% across the CID–DEN route.

A bit ahead of the United Airlines network.

UA 1500 arrived on time 83% of the time, versus 79% across the United Airlines network.

Trending in the right direction.

UA 1500 arrived on time 86% of the time over the last three months in the data, compared with 75% in the three months before that.

The breakdown

On-time by weekday
  • Mon84%(49 flights)
  • Tue88%(51 flights)
  • Wed83%(52 flights)
  • Thu79%(52 flights)
  • Fri90%(51 flights)
  • Sat82%(51 flights)
  • Sun75%(52 flights)
On-time by departure window
  • 6–9 AM83%(246 flights)
  • 9 AM–12 PM83%(112 flights)
On-time trend by month
94%
May

Jun 73% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202573%30
July 202579%29
August 202584%31
September 202597%29
October 2025100%31
November 202579%28
December 202558%31
January 202681%31
February 202686%28
March 202676%29
April 202690%30
May 202694%31
Departures on time
82%
Diverted
0%
Flights flown
358
Months covered
12

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.