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Route on-time record

DEN to MTJ: most on-time flights and the best time to fly

Denver (Denver International Airport) to Montrose (Montrose Regional Airport). 1,415 nonstop flights in Jun 2025 to May 2026, 75% arrived within 15 minutes and 0.1% were cancelled. The most reliable flight number was SkyWest 5616 at 1:25 PM.

Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.

DEN → MTJ

Denver to Montrose: 1,415 nonstop flights a year

On time (12 months)

75%

Cancelled

0.1%

avg delay 17 min

Best time to leave

9 AM to noon

81% on time vs 66% 6 to 9 PM

Most reliable airline

SkyWest

80% chance on time

Check DEN to MTJ fares

Lowest nonstop fare seen in the next two months: $222 (United 1483 on 2026-10-23). Fares open on our travel partner (Aviasales). Pick the flight number you chose here.

Most reliable nonstop flights

Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.

  1. #1 · SkyWest 5616 · sold as United Express, Delta Connection, American Eagle or Alaska

    1:25 PM → 2:44 PM1h 19m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    88%

    chance on time

    On time (history)
    97%
    Cancelled
    0.0%
    Avg arrival delay
    8 min
    • Arrived on time 97% of the time (30 flights, Jun 2025 to May 2026).
    • Never cancelled in 30 scheduled flights.
    • Departs outside DEN's trouble window (2 PM to 8 PM, when 79% of its 174 ground stops and delay programs started).
    • Short track record (30 flights), so its score leans on the airline's record at this hour.

    Limited track record · 30 flights

    Find 1:25 PM flight fares Opens this date on Aviasales

  2. #2 · Southwest 2645

    10:25 AM → 11:35 AM1h 05m nonstop

    Local times, typical schedule. Last flown 2026-04-06.

    83%

    chance on time

    On time (history)
    85%
    Cancelled
    0.0%
    Avg arrival delay
    12 min
    • Arrived on time 85% of the time (33 flights, Jun 2025 to May 2026).
    • Never cancelled in 33 scheduled flights.
    • Leaves in this route's most on-time window (9 AM to noon: 81% on time; 6 to 9 PM: 66%).
    • Departs outside DEN's trouble window (2 PM to 8 PM, when 79% of its 174 ground stops and delay programs started).

    Limited track record · 33 flights

    Find Southwest 2645 fares Opens this date on Aviasales

  3. #3 · United 1772

    11:35 AM → 12:41 PM1h 06m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    80%

    chance on time

    On time (history)
    81%
    Cancelled
    0.5%
    Avg arrival delay
    14 min
    • Arrived on time 81% of the time (215 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (9 AM to noon: 81% on time; 6 to 9 PM: 66%).
    • Departs outside DEN's trouble window (2 PM to 8 PM, when 79% of its 174 ground stops and delay programs started).

    Strong track record · 215 flights

    Find United 1772 fares Opens this date on Aviasales

  4. #4 · United 448

    1:25 PM → 2:31 PM1h 06m nonstop

    Local times, typical schedule. Last flown 2026-04-05. Same departure also flew as United 464; its record covers all of them.

    76%

    chance on time

    On time (history)
    76%
    Cancelled
    0.0%
    Avg arrival delay
    21 min
    • Arrived on time 76% of the time (90 flights, Jun 2025 to May 2026).
    • Never cancelled in 90 scheduled flights.
    • Departs outside DEN's trouble window (2 PM to 8 PM, when 79% of its 174 ground stops and delay programs started).

    Moderate track record · 90 flights

    Find United 448 fares Opens this date on Aviasales

  5. #5 · United 1483

    7:15 PM → 8:20 PM1h 05m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    69%

    chance on time

    On time (history)
    69%
    Cancelled
    0.0%
    Avg arrival delay
    20 min
    • Arrived on time 69% of the time (109 flights, Jun 2025 to May 2026).
    • Never cancelled in 109 scheduled flights.
    • Leaves in this route's least on-time window (6 to 9 PM: 66% on time; 9 AM to noon: 81%).
    • Departs inside DEN's trouble window: 79% of its 174 ground stops and delay programs started between 2 PM and 8 PM.

    Moderate track record · 109 flights

    Find United 1483 fares Opens this date on Aviasales

  6. #6 · Southwest 1354

    6:55 PM → 7:55 PM1h 00m nonstop

    Local times, typical schedule. Last flown 2026-05-27.

    68%

    chance on time

    On time (history)
    63%
    Cancelled
    0.0%
    Avg arrival delay
    18 min
    • Arrived on time 63% of the time (16 flights, Jun 2025 to May 2026).
    • Leaves in this route's least on-time window (6 to 9 PM: 66% on time; 9 AM to noon: 81%).
    • Departs inside DEN's trouble window: 79% of its 174 ground stops and delay programs started between 2 PM and 8 PM.
    • Short track record (16 flights), so its score leans on the airline's record at this hour.

    Limited track record · 16 flights

    Find Southwest 1354 fares Opens this date on Aviasales

  7. #7 · Southwest 3183

    6:40 PM → 7:45 PM1h 05m nonstop

    Local times, typical schedule. Last flown 2026-04-06.

    67%

    chance on time

    On time (history)
    64%
    Cancelled
    0.0%
    Avg arrival delay
    20 min
    • Arrived on time 64% of the time (33 flights, Jun 2025 to May 2026).
    • Never cancelled in 33 scheduled flights.
    • Leaves in this route's least on-time window (6 to 9 PM: 66% on time; 9 AM to noon: 81%).
    • Departs inside DEN's trouble window: 79% of its 174 ground stops and delay programs started between 2 PM and 8 PM.

    Limited track record · 33 flights

    Find Southwest 3183 fares Opens this date on Aviasales

  8. #8 · Southwest 435

    6:10 PM → 7:10 PM1h 00m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    66%

    chance on time

    On time (history)
    61%
    Cancelled
    0.0%
    Avg arrival delay
    22 min
    • Arrived on time 61% of the time (38 flights, Jun 2025 to May 2026).
    • Never cancelled in 38 scheduled flights.
    • Leaves in this route's least on-time window (6 to 9 PM: 66% on time; 9 AM to noon: 81%).
    • Departs inside DEN's trouble window: 79% of its 174 ground stops and delay programs started between 2 PM and 8 PM.

    Limited track record · 38 flights

    Find Southwest 435 fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

  • SkyWest Airlines (sold as United Express, Delta Connection, American Eagle or Alaska)80%

    110 flights · 80% on time as flown · 0.0% cancel

  • Southwest Airlines75%

    419 flights · 76% on time as flown · 0.0% cancel

  • United Airlines74%

    886 flights · 75% on time as flown · 0.1% cancel

On time by departure time

All airlines, scheduled local departure, Jun 2025 to May 2026.

  • 9 AM to noon81%

    554 flights · avg delay 12 min

  • Noon to 3 PM77%

    383 flights · avg delay 17 min

  • 6 to 9 PM66%

    444 flights · avg delay 24 min

Best day: Wednesday (80%). Worst: Friday (74%).

Smarter routing

Nearby airports that run more on time

  • DEN → GUC 81% chance on time

    Denver International Airport to Gunnison Crested Butte Regional Airport · 994 flights a year · 52 mi from your airports · yours: 75%

    Rank flightsFares

  • DEN → GJT 78% chance on time

    Denver International Airport to Grand Junction Regional Airport · 2,203 flights a year · 55 mi from your airports · yours: 75%

    Rank flightsFares

On time by month

All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.

J
78
F
72
M
78
A
80
M
73
J
71
J
71
A
76
S
82
O
84
N
88
D
80

What delays this route

  • Late-arriving aircraft50%
  • Airline (crew, maintenance, boarding)32%
  • Air traffic control and airport volume17%

Share of delay minutes by the cause airlines report to the US DOT.

Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure

Finding the most reliable connections from DEN to MTJ…

DEN to MTJ questions

What time of day is best to fly DEN to MTJ?
9 AM to noon: 81% of flights arrived on time, against 66% for departures 6 to 9 PM.
Which airline is most on time from DEN to MTJ?
SkyWest, with a season-adjusted 80% chance of operating and arriving on time over 110 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
What is the worst month for delays on DEN to MTJ?
July (71% on time); the best was November (88%), averaged over Jun 2023 to May 2026.
Is this a prediction for my flight?
No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.

More routes from DEN

Live status: FAA delays and ground stops