Route on-time record

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

Denver (Denver International Airport) to Bozeman (Bozeman Yellowstone International Airport). 2,737 nonstop flights in Jun 2025 to May 2026, 78% arrived within 15 minutes and 0.4% were cancelled. The most reliable flight number was SkyWest 4734 at 7:45 AM.

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

DEN → BZN

Denver to Bozeman: 2,737 nonstop flights a year

On time (12 months)

78%

Cancelled

0.4%

avg delay 13 min

Best time to leave

Before 9 AM

90% on time vs 56% after 9 PM

Most reliable airline

SkyWest

86% chance on time

Check DEN to BZN fares

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 · SkyWest 4734 · sold as United Express, Delta Connection, American Eagle or Alaska
7:45 AM → 9:47 AM2h 02m nonstop
Local times, typical schedule. Last flown 2026-05-20.
95%
chance on time
On time (history)
98%
Cancelled
0.0%
Avg arrival delay
1 min
- Arrived on time 98% of the time (53 flights, Jun 2025 to May 2026).
- Never cancelled in 53 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 90% on time; After 9 PM: 56%).
- 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 · 53 flights
Find 7:45 AM flight fares Opens this date on Aviasales
#2 · United 348
7:49 AM → 9:42 AM1h 53m nonstop
Local times, typical schedule. Last flown 2026-05-31.
90%
chance on time
On time (history)
92%
Cancelled
0.0%
Avg arrival delay
4 min
- Arrived on time 92% of the time (60 flights, Jun 2025 to May 2026).
- Never cancelled in 60 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 90% on time; After 9 PM: 56%).
- 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 · 60 flights
Find United 348 fares Opens this date on Aviasales
#3 · Southwest 1111
8:30 AM → 10:15 AM1h 45m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as Southwest 2413; its record covers all of them.
87%
chance on time
On time (history)
90%
Cancelled
0.0%
Avg arrival delay
6 min
- Arrived on time 90% of the time (88 flights, Jun 2025 to May 2026).
- Never cancelled in 88 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 90% on time; After 9 PM: 56%).
- 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 · 88 flights
Find Southwest 1111 fares Opens this date on Aviasales
#4 · SkyWest 5715 · sold as United Express, Delta Connection, American Eagle or Alaska
1:33 PM → 3:34 PM2h 01m nonstop
Local times, typical schedule. Last flown 2026-05-20.
86%
chance on time
On time (history)
87%
Cancelled
0.0%
Avg arrival delay
8 min
- Arrived on time 87% of the time (53 flights, Jun 2025 to May 2026).
- Never cancelled in 53 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 (53 flights), so its score leans on the airline's record at this hour.
Limited track record · 53 flights
Find 1:33 PM flight fares Opens this date on Aviasales
#5 · United 513
1:37 PM → 3:28 PM1h 51m nonstop
Local times, typical schedule. Last flown 2026-05-31.
84%
chance on time
On time (history)
84%
Cancelled
0.0%
Avg arrival delay
13 min
- Arrived on time 84% of the time (127 flights, Jun 2025 to May 2026).
- Never cancelled in 128 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 · 127 flights
Find United 513 fares Opens this date on Aviasales
#6 · United 211
11:32 AM → 1:20 PM1h 48m nonstop
Local times, typical schedule. Last flown 2026-05-31.
82%
chance on time
On time (history)
91%
Cancelled
0.0%
Avg arrival delay
5 min
- Arrived on time 91% of the time (11 flights, Jun 2025 to May 2026).
- 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 (11 flights), so its score leans on the airline's record at this hour.
Limited track record · 11 flights
Find United 211 fares Opens this date on Aviasales
#7 · United 741
11:45 AM → 1:34 PM1h 49m nonstop
Local times, typical schedule. Last flown 2026-05-20.
80%
chance on time
On time (history)
82%
Cancelled
0.0%
Avg arrival delay
13 min
- Arrived on time 82% of the time (275 flights, Jun 2025 to May 2026).
- Never cancelled in 275 scheduled flights.
- 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 · 275 flights
Find United 741 fares Opens this date on Aviasales
#8 · United 1347
7:45 PM → 9:32 PM1h 47m nonstop
Local times, typical schedule. Last flown 2026-05-31.
80%
chance on time
On time (history)
82%
Cancelled
0.0%
Avg arrival delay
10 min
- Arrived on time 82% of the time (285 flights, Jun 2025 to May 2026).
- Never cancelled in 285 scheduled flights.
- Departs inside DEN's trouble window: 79% of its 174 ground stops and delay programs started between 2 PM and 8 PM.
Strong track record · 285 flights
Find United 1347 fares Opens this date on Aviasales
#9 · Southwest 539
1:05 PM → 2:45 PM1h 45m nonstop
Local times, typical schedule. Last flown 2026-04-05.
79%
chance on time
On time (history)
83%
Cancelled
0.0%
Avg arrival delay
7 min
- Arrived on time 83% of the time (18 flights, Jun 2025 to May 2026).
- 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 (18 flights), so its score leans on the airline's record at this hour.
Limited track record · 18 flights
Find Southwest 539 fares Opens this date on Aviasales
#10 · Southwest 1817
1:55 PM → 3:40 PM1h 45m nonstop
Local times, typical schedule. Last flown 2026-05-31.
71%
chance on time
On time (history)
71%
Cancelled
0.0%
Avg arrival delay
14 min
- Arrived on time 71% of the time (55 flights, Jun 2025 to May 2026).
- Never cancelled in 55 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 (55 flights), so its score leans on the airline's record at this hour.
Limited track record · 55 flights
Find Southwest 1817 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)86%
436 flights · 87% on time as flown · 0.8% cancel
United Airlines81%
1,129 flights · 81% on time as flown · 0.1% cancel
Southwest Airlines72%
1,172 flights · 72% on time as flown · 0.4% cancel

On time by departure time

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

Before 9 AM90%
717 flights · avg delay 6 min
9 AM to noon78%
430 flights · avg delay 13 min
Noon to 3 PM81%
618 flights · avg delay 11 min
3 to 6 PM68%
244 flights · avg delay 24 min
6 to 9 PM73%
491 flights · avg delay 17 min
After 9 PM56%
237 flights · avg delay 27 min

Best day: Wednesday (81%). Worst: Friday (75%).

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.

What delays this route

Late-arriving aircraft52%
Airline (crew, maintenance, boarding)32%
Air traffic control and airport volume12%
Severe weather3%

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

DEN to BZN questions

What time of day is best to fly DEN to BZN?: Before 9 AM: 90% of flights arrived on time, against 56% for departures after 9 PM. Later flights inherit delays from earlier ones, so the first departures of the day usually run best.
Which airline is most on time from DEN to BZN?: SkyWest, with a season-adjusted 86% chance of operating and arriving on time over 436 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 BZN?: July (67% on time); the best was October (86%), 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

All Products

Aviation Intelligence

Alerts & Airspace

Free Pilot Tools & Widgets

RC Aviation

Games & Learning

Weather Research & More

Pilot Resources

My Airports

Ask ATIS