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DelayAtlas

Carrier route record

UAFARDEN

United Airlines · Fargo to Denver

Flights
364
Period
July 2025 to June 2026
Share of route
26%
Carriers
3
C+GRADE

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

United on FAR to DEN sits in the middle of the pack with a C+. About seven flights in ten arrive on time by the DOT's definition, 8 points worse than the national rate of 77.6%. The late ones land a little over an hour behind schedule. That rests on 364 flights, with a median arrival 1 minute late.

The national on-time rate over the same period is 77.6%, so United on FAR to DEN runs 8 points behind the country as a whole. Across a thousand flights that is about 80 extra late arrivals.

Key figures

On time

69.6%

Arrivals under 15 minutes late, of 362 completed flights

Avg delay

79 min

Across delayed arrivals only, not all flights

Cancelled

0.55%

National rate is 1.81%

Whole route

70.9%

Every carrier on FAR to DEN, 1,425 flights

These figures cover 364 flights between July 2025 and June 2026. Beyond the headline rate, 11.3% of arrivals land a full hour or more behind schedule. That is the number that wrecks a connection, and it is not visible in an on-time percentage alone.

Carrier by carrier

United against every carrier on FAR to DEN

United flew 364 of the 1,425 flights on FAR to DEN, about 26% of it. Its 69.6% on time is about level with the route as a whole at 70.9%. Ranked by on-time rate it is last of three carriers on the route, where the range runs from Frontier at 76.9% to United at 69.6%. One of those carriers flew fewer than 365 flights here, so treat their positions as rough.

Only one carrier clears this site's 365-flight floor here, so there is no comparison to draw. The table below is the full picture.

On-time performance by carrier on FAR to DEN
AirlineFlightsOn timeAvg delayCancelledGrade
Frontier Airlinesthin sample18276.9%66 min0.00%B+
SkyWest Airlines87970.1%101 min1.48%C
United Airlines (this page)thin sample36469.6%79 min0.55%C+

Departure window

When United runs best on this route

Departure time is the single lever a traveller controls, and it moves the odds more than most people expect. Each bar below is the on-time rate for flights scheduled to leave inside that window, across 364 flights.

There are not enough flights in each departure window to split United's FAR to DEN record by time of day without the percentages moving on noise. The headline rate of 69.6% is the reliable figure here.

Across the year

United on FAR to DEN through the year

On-time rate by calendar month68JF65M80A77M73J45J60A97S81ON52D
Darker means more delays. Figures are on-time percentages.September best, July worst

July is the worst month at 45.2% on time, 52 points below September, the best at 96.7%. Summer afternoon convection and peak-season schedules land on the same weeks every year, so this is a pattern you can book around rather than a run of bad luck. January was the busiest month here, with 31 flights.

Across the week, Thursday is the strongest day at 72.5% on time and Friday the weakest at 62.7%. 10 points is a smaller lever than departure hour, but it is free.

On-time rate by day of the week71.2Mon71.7Tue68.6Wed72.5Thu62.7Fri69.2Sat71.2Sun
Monday: 71.2 percent on time. Tuesday: 71.7 percent on time. Wednesday: 68.6 percent on time. Thursday: 72.5 percent on time. Friday: 62.7 percent on time. Saturday: 69.2 percent on time. Sunday: 71.2 percent on time

Delay causes

Why United runs late on this route

One category carries most of the weight here. Carrier accounts for 42% of the 8,656 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
    42%
  • National Airspace System
    37%
  • Extreme weather
    14%
  • Late-arriving aircraft
    7%

Extreme weather accounts for 14% 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 monthly strip above is the more useful view of the risk. The national share is 6%, so this operation carries roughly 2.3 times the usual weather exposure. The split is drawn from 8,656 reported delay minutes.

The largest share of delay minutes, 42%, falls under carrier control: crew scheduling, maintenance, fuelling, baggage. Unlike weather, that is a management outcome, and it is the category where the gap between two carriers on the same schedule is genuinely earned. It accounts for 3,659 of the 8,656 delay minutes reported here.

Cancellations are rare at 0.55%, below the national 1.81% and low enough to earn the plus on the grade. Roughly one flight in 100 is called off; the risk here is arriving late, not not arriving.

Connections and stage length

What a delay here costs

For anyone connecting, the number to weigh is not the on-time rate but the tail behind it. 11.3% of arrivals land a full hour or more behind schedule, against 8.1% nationally. A 45-minute layover does not survive that, and no amount of walking quickly changes it. Ninety minutes is the honest minimum here, and two hours if the onward flight is on a separate ticket.

The 627 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 return leg is a different operation and performs like one: it runs 73.7% on time across 364 flights, 4 points above this direction. Departure banks, aircraft rotations and the congestion at each end all differ, so scoring the two directions together would average away a real 4 points of difference.

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 United on FAR to DEN

Put together: treat all of this as provisional. 364 flights over twelve months is enough to clear this site's floor and not enough to be confident to better than a couple of points. The 69.6% headline is the most reliable number on the page; the hour and month splits below it are built on a few dozen flights each. 362 completed flights over 12 months sit behind that.

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.