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DelayAtlas

Flight number record

UA 1500

United Airlines · Cedar Rapids to Denver

Route
CID → DEN
Departs
08:54
Flights
364
Period
July 2025 to June 2026
BGRADE

Historical statistics for July 2025 to June 2026, not live status. For today’s UA 1500, check with United Airlines.

UA 1500 lands a B, 5 points better than the national rate of 77.6%. About one flight in six arrives 15 minutes late or worse, and those flights are late by close to two hours on average. That is a workable record, not a spotless one. That rests on 364 flights, with a median arrival 4 minutes early.

Set against the rest of the country, UA 1500's record is 5 points better than the US average of 77.6%. That gap is worth roughly 50 fewer late arrivals for every thousand flights.

Key figures

On time

82.6%

Arrivals under 15 minutes late, of 357 completed flights

Avg delay

111 min

Across delayed arrivals only, not all flights

Cancelled

1.92%

National rate is 1.81%

1 hour+ late

7.6%

National rate is 8.1%

These figures cover 364 flights between July 2025 and June 2026. The median arrival is 4 minutes early, which is the part an average hides: most flights here are fine, and the on-time rate is decided by a tail of badly late ones. On-time means under 15 minutes late, the DOT's own threshold.

Schedule

When UA 1500 flies

UA 1500 flies CID to DEN without a single fixed slot. Its most common scheduled departure was 08:54, used on 84 of 364 flights, with 09:15 (53 flights) and 08:50 (43 flights) next. Carriers retime flights through the season, so the rates here blend slightly different positions in the aircraft's day.

  • Departs 08:5484 flights23.1%
  • Departs 09:1553 flights14.6%
  • Departs 08:5043 flights11.8%

Scale runs 0% to 100%. Rows with fewer than 30 flights show a dash.

Share of scheduled departures at each local time. Times used on fewer than one flight in ten are not listed.

A 08:54 departure sits in the 8am–11am window. Across every US flight scheduled in that window the on-time rate is 84.1%, and UA 1500 runs level with that at 82.6%. Early departures usually start with an aircraft that has not flown yet that day, which is most of why the window does well.

Against the route

UA 1500 next to CID to DEN

Every carrier on CID to DEN combined arrived on time 77.5% of the time across 1,103 flights, so UA 1500 is 5 points ahead of it. United flew 727 flights on the same city pair under all its flight numbers, including this one, and those ran 79.2% on time. Across its whole network United Airlines managed 79.0%, which this flight beats by 4 points.

UA 1500 against its route and carrier
Compared withFlightsOn timeAvg delayCancelledGrade
UA 1500thin sample36482.6%111 min1.92%B
All United Airlines on CID–DEN72779.2%95 min1.51%B
All carriers on CID–DEN1,10377.5%91 min1.27%B
United Airlines, whole network821,04179.0%72 min1.01%B

Across the year

UA 1500 quarter by quarter

Quarter by quarter UA 1500 held fairly steady: 86.4% in Jul–Sep 2025, 77.8% in Oct–Dec 2025, 80.7% in Jan–Mar 2026 and 85.7% in Apr–Jun 2026. A spread of 9 points is about what a sample of this size moves on its own, so the annual figure is a fair summary.

  • Jul–Sep 202591 flights86.4%
  • Oct–Dec 202592 flights77.8%
  • Jan–Mar 202690 flights80.7%
  • Apr–Jun 202691 flights85.7%

Scale runs 70% to 90%. Rows with fewer than 30 flights show a dash.

By weekday, UA 1500 ranged from 78.8% on Thursday to 90.2% on Friday. With about 52 flights behind each day, a spread of 11 points is inside normal variation, so the day you fly is not worth changing for this flight.

On-time rate by day of the week81.6Mon88.2Tue78.8Wed78.8Thu90.2Fri80.4Sat80.4Sun
Monday: 81.6 percent on time. Tuesday: 88.2 percent on time. Wednesday: 78.8 percent on time. Thursday: 78.8 percent on time. Friday: 90.2 percent on time. Saturday: 80.4 percent on time. Sunday: 80.4 percent on time

Delay causes

Why UA 1500 runs late

One category carries most of the weight here. Carrier accounts for 52% of the 6,858 delay minutes carriers reported, and the remaining four split what is left. The split is by minutes rather than by flights, so a few very long delays count for as much as many short ones.

  • Carrier
    52%
  • Extreme weather
    24%
  • Late-arriving aircraft
    13%
  • National Airspace System
    11%

Extreme weather accounts for 24% of delay minutes, well above the single-digit share typical across the system. Weather delays are lumpy: they arrive as whole bad days rather than as a steady drag, so the quarterly figures above are the more useful view of the risk. The national share is 6%, so this operation carries roughly 3.8 times the usual weather exposure. The split is drawn from 6,858 delay minutes reported on UA 1500.

Cancellations sit at 1.92% against a national 1.81%, which is ordinary. Diversions add another 0.00%.

Connections and routes

What a delay on this flight costs

7.6% of arrivals land an hour or more late, close to the national 8.1%. That is the figure that decides a connection, and it says a 60 to 75 minute layover is reasonable here while anything under 45 minutes is a bet. Most delays on this route last close to two hours, which a normal layover absorbs.

The 692 miles between these two airports put this in the middle of the US network, around two and a half to three hours of block time. That is enough cruise to absorb a ten-minute late pushback and not enough to absorb thirty. It is also long enough that the aircraft usually flies three or four legs a day rather than six, which slows how fast delay compounds.

The same number turns up on one other city pair in the data, including BWI to SFO (1), but none flew often enough under UA 1500 to report a rate for. Carriers move flight numbers between routes, so the figures on this page apply to CID to DEN only.

One caution: this is a thin sample. 364 flights over twelve months is enough to clear this site's floor but not enough to pin the rate down tightly, and a single bad week moves it by more than a point. Treat the grade as a rough reading.

What to do with this

Booking UA 1500

For a booking, read UA 1500 as 82.6% on time with 1.92% cancelled over 364 flights. Those are rates from the past twelve months, not a forecast for any particular day.

Related

Where to go next

Source: US DOT Bureau of Transportation Statistics, on-time performance data, July 2025 to June 2026. Last updated 15 September 2026; recomputed monthly. How this data is collected.