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DelayAtlas

Carrier route record

UADEN→ELP

United Airlines · Denver to El Paso

Flights
729
Period
September 2025 to August 2026
Share of route
39%
Carriers
3
B+GRADE

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

United on DEN to ELP lands a B+, 2 points better than the national rate of 77.3%. About one flight in five arrives 15 minutes late or worse, and those flights are late by about an hour on average. That rests on 729 flights, with a median arrival 5 minutes early.

The US average over the same twelve months is 77.3%, so there is little to separate United on DEN to ELP from the country as a whole. The variation that matters here is internal: which carrier, and what time of day.

Key figures

On time

78.8%

Arrivals under 15 minutes late, of 723 completed flights

Avg delay

62 min

Across delayed arrivals only, not all flights

Cancelled

0.41%

National rate is 1.89%

Whole route

74.8%

Every carrier on DEN to ELP, 1,872 flights

These figures cover 729 flights between September 2025 and August 2026. The median arrival is 5 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.

Fare search by Aviasales, a Travelpayouts partner. Booking through it may earn this site a commission at no cost to you; it changes no figure here.

Carrier by carrier

United against every carrier on DEN to ELP

United flew 729 of the 1,872 flights on DEN to ELP, about 39% of it. Its 78.8% on time is 4 points better than the route as a whole, which runs 74.8%. Ranked by on-time rate it is number two of three carriers on the route, where the range runs from Frontier at 80.1% to Southwest at 68.8%. 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 DEN to ELP
AirlineFlightsOn timeAvg delayCancelledGrade
Frontier Airlinesthin sample34880.1%66 min0.29%B+
United Airlines (this page)72978.8%62 min0.41%B+
Southwest Airlines79568.8%56 min0.25%C+

Timetable by Aviasales, a Travelpayouts partner. Booking through it may earn this site a commission at no cost to you; it changes no figure here.

Departure window

When United runs best on this route

Departure time matters more here than the choice of carrier. The gap between the best and worst window is 20 points, against half a point between the best and worst carrier.

  • 5am–8am—
  • 8am–11am—
  • 11am–2pm365 flights87.1%
  • 2pm–5pm—
  • 5pm–8pm238 flights67.4%
  • 8pm–5am126 flights76.0%

Scale runs 60% to 95%. Rows with fewer than 30 flights show a dash.

The best window here is not the first bank but the 11am–2pm slot at 87.1% on time, ahead of 5pm–8pm at 67.4%. Where the curve peaks mid-day rather than at dawn, the constraint is usually congestion at one end rather than the aircraft's own rotation. The 11am–2pm window is the busiest, with 365 flights scheduled in it.

Across the year

United on DEN to ELP through the year

On-time rate by calendar month89J84F85M87A76M61J69J75A80S76O83N82D
Darker means more delays. Figures are on-time percentages.January best, June worst

June is the worst month at 61.0% on time, 28 points below January, the best at 88.7%. 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 62 flights.

Across the week, Tuesday is the strongest day at 87.4% on time and Monday the weakest at 71.4%, a spread of 16 points.

On-time rate by day of the week71.4Mon87.4Tue81.6Wed71.8Thu75.5Fri85.6Sat78.6Sun
Monday: 71.4 percent on time. Tuesday: 87.4 percent on time. Wednesday: 81.6 percent on time. Thursday: 71.8 percent on time. Friday: 75.5 percent on time. Saturday: 85.6 percent on time. Sunday: 78.6 percent on time

Arrival by arrival

How late United on DEN to ELP runs when it is late

The 153 late arrivals split 51 under half an hour, 54 between 30 and 60 minutes, and 48 an hour or more.

  • 15+ min early134 flights18.5%
  • Within 15 min436 flights60.3%
  • 15–29 min late51 flights7.1%
  • 30–59 min late54 flights7.5%
  • 1–2 hours late29 flights4.0%
  • 2+ hours late19 flights2.6%

Scale runs 0% to 100%.

Share of 723 completed flights by arrival against schedule.

34 of 164 late departures made up the time and arrived on time, 21% of them. 23 flights left on time and still arrived late.

The worst days

Worst days for United on DEN to ELP

The latest arrival of the period was on 13 August 2026, 4 hours 30 minutes behind schedule; most of its delay minutes were filed as a late-arriving aircraft. Four of the five worst days fell in August 2026.

The latest arrivals of United on DEN to ELP in the period
DateArrived late byLargest filed cause
13 August 20264 hours 30 minutesLate-arriving aircraft
21 August 20264 hours 20 minutesLate-arriving aircraft
24 August 20264 hours 4 minutesLate-arriving aircraft
28 July 20263 hours 55 minutesLate-arriving aircraft
9 August 20263 hours 55 minutesLate-arriving aircraft

Delay causes

Why United runs late on this route

Late-arriving aircraft accounts for 67% of the 9,515 delay minutes carriers reported here, and the remaining four split what is left.

  • Late-arriving aircraft
    67%
  • Carrier
    22%
  • National Airspace System
    10%
  • Extreme weather
    0%

67% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. Across 9,515 reported delay minutes here, that single category outweighs weather by 67 to one. The split is drawn from 9,515 reported delay minutes.

Cancellations are rare at 0.41%, below the national 1.89% 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

6.6% of arrivals land an hour or more late, close to the national 8.3%, so a 60 to 75 minute layover is reasonable here while anything under 45 minutes is a bet. Most delays on this route last about an hour, which a normal layover absorbs.

The 563 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.

The return leg is a different operation and performs like one: it runs 84.6% on time across 729 flights, 6 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 6 points of difference.

One caution: this is a thin sample. 729 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 DEN to ELP

Put together: treat all of this as provisional. 729 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 78.8% headline is the most reliable number on the page; the hour and month splits below it are built on a few dozen flights each. 723 completed flights over 12 months sit behind that.

Related

Where to go next

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