Route on-time record
BZN to DEN: most on-time flights and the best time to fly
Bozeman (Bozeman Yellowstone International Airport) to Denver (Denver International Airport). 2,738 nonstop flights in Jun 2025 to May 2026, 76% arrived within 15 minutes and 0.4% were cancelled. The most reliable flight number was SkyWest 4659 at 10:35 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
BZN → DEN
Bozeman to Denver: 2,738 nonstop flights a year
On time (12 months)
76%
Cancelled
0.4%
avg delay 17 min
Best time to leave
Before 9 AM
89% on time vs 63% 3 to 6 PM
Most reliable airline
SkyWest
77% chance on time
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 4659 · sold as United Express, Delta Connection, American Eagle or Alaska
10:35 AM → 12:35 PM2h 00m nonstop
Local times, typical schedule. Last flown 2026-05-20.
91%
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.
- Short track record (53 flights), so its score leans on the airline's record at this hour.
Limited track record · 53 flights
Find 10:35 AM flight fares Opens this date on Aviasales#2 · United 1362
6:30 AM → 8:24 AM1h 54m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as United 2063; its record covers all of them.
88%
chance on time
- On time (history)
- 88%
- Cancelled
- 0.3%
- Avg arrival delay
- 8 min
- Arrived on time 88% of the time (310 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 89% on time; 3 to 6 PM: 63%).
Strong track record · 310 flights
Find United 1362 fares Opens this date on Aviasales#3 · Southwest 1697
7:35 AM → 9:25 AM1h 50m nonstop
Local times, typical schedule. Last flown 2026-04-06.
83%
chance on time
- On time (history)
- 85%
- Cancelled
- 0.0%
- Avg arrival delay
- 9 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 (Before 9 AM: 89% on time; 3 to 6 PM: 63%).
- Short track record (33 flights), so its score leans on the airline's record at this hour.
Limited track record · 33 flights
Find Southwest 1697 fares Opens this date on Aviasales#4 · United 1824
10:38 AM → 12:28 PM1h 50m nonstop
Local times, typical schedule. Last flown 2026-05-31.
83%
chance on time
- On time (history)
- 86%
- Cancelled
- 0.0%
- Avg arrival delay
- 9 min
- Arrived on time 86% of the time (100 flights, Jun 2025 to May 2026).
- Never cancelled in 100 scheduled flights.
Moderate track record · 100 flights
Find United 1824 fares Opens this date on Aviasales#5 · Southwest 1353
10:55 AM → 12:40 PM1h 45m nonstop
Local times, typical schedule. Last flown 2026-05-30. Same departure also flew as Southwest 1822; its record covers all of them.
80%
chance on time
- On time (history)
- 83%
- Cancelled
- 0.0%
- Avg arrival delay
- 9 min
- Arrived on time 83% of the time (80 flights, Jun 2025 to May 2026).
- Never cancelled in 80 scheduled flights.
Moderate track record · 80 flights
Find Southwest 1353 fares Opens this date on Aviasales#6 · Southwest 2762
7:20 AM → 9:10 AM1h 50m nonstop
Local times, typical schedule. Last flown 2026-05-31.
77%
chance on time
- On time (history)
- 78%
- Cancelled
- 0.0%
- Avg arrival delay
- 15 min
- Arrived on time 78% of the time (54 flights, Jun 2025 to May 2026).
- Never cancelled in 54 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 89% on time; 3 to 6 PM: 63%).
- Short track record (54 flights), so its score leans on the airline's record at this hour.
Limited track record · 54 flights
Find Southwest 2762 fares Opens this date on Aviasales#7 · United 2258
2:40 PM → 4:29 PM1h 49m nonstop
Local times, typical schedule. Last flown 2026-05-31.
76%
chance on time
- On time (history)
- 82%
- Cancelled
- 0.0%
- Avg arrival delay
- 12 min
- Arrived on time 82% of the time (88 flights, Jun 2025 to May 2026).
- Never cancelled in 88 scheduled flights.
- Lands inside DEN's trouble window: 79% of its 174 ground stops and delay programs started between 2 PM and 8 PM.
- 54% of its delay minutes came from the plane arriving late from an earlier flight.
Moderate track record · 88 flights
Find United 2258 fares Opens this date on Aviasales#8 · SkyWest 5736 · sold as United Express, Delta Connection, American Eagle or Alaska
4:19 PM → 6:16 PM1h 57m nonstop
Local times, typical schedule. Last flown 2026-05-31.
65%
chance on time
- On time (history)
- 68%
- Cancelled
- 0.0%
- Avg arrival delay
- 32 min
- Arrived on time 68% of the time (60 flights, Jun 2025 to May 2026).
- Never cancelled in 60 scheduled flights.
- Leaves in this route's least on-time window (3 to 6 PM: 63% on time; Before 9 AM: 89%).
- Lands inside DEN's trouble window: 79% of its 174 ground stops and delay programs started between 2 PM and 8 PM.
Moderate track record · 60 flights
Find 4:19 PM flight fares Opens this date on Aviasales#9 · United 431
4:29 PM → 6:23 PM1h 54m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as United 280; its record covers all of them.
63%
chance on time
- On time (history)
- 60%
- Cancelled
- 0.0%
- Avg arrival delay
- 24 min
- Arrived on time 60% of the time (35 flights, Jun 2025 to May 2026).
- Never cancelled in 35 scheduled flights.
- Leaves in this route's least on-time window (3 to 6 PM: 63% on time; Before 9 AM: 89%).
- Lands inside DEN's trouble window: 79% of its 174 ground stops and delay programs started between 2 PM and 8 PM.
Limited track record · 35 flights
Find United 431 fares Opens this date on Aviasales#10 · Southwest 3349
4:20 PM → 6:10 PM1h 50m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as Southwest 372; its record covers all of them.
57%
chance on time
- On time (history)
- 56%
- Cancelled
- 0.0%
- Avg arrival delay
- 21 min
- Arrived on time 56% of the time (87 flights, Jun 2025 to May 2026).
- Never cancelled in 87 scheduled flights.
- Leaves in this route's least on-time window (3 to 6 PM: 63% on time; Before 9 AM: 89%).
- Lands inside DEN's trouble window: 79% of its 174 ground stops and delay programs started between 2 PM and 8 PM.
Moderate track record · 87 flights
Find Southwest 3349 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)77%
436 flights · 77% on time as flown · 1.0% cancel
- United Airlines76%
1,129 flights · 76% on time as flown · 0.4% cancel
- Southwest Airlines75%
1,173 flights · 75% on time as flown · 0.3% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM89%
729 flights · avg delay 8 min
- 9 AM to noon83%
635 flights · avg delay 10 min
- Noon to 3 PM69%
571 flights · avg delay 22 min
- 3 to 6 PM63%
762 flights · avg delay 27 min
Best day: Wednesday (82%). Worst: Friday (74%).
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
- Air traffic control and airport volume47%
- Late-arriving aircraft30%
- Airline (crew, maintenance, boarding)19%
- Severe weather4%
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
BZN to DEN questions
- What time of day is best to fly BZN to DEN?
- Before 9 AM: 89% of flights arrived on time, against 63% for departures 3 to 6 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 BZN to DEN?
- SkyWest, with a season-adjusted 77% 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 BZN to DEN?
- June (68% on time); the best was December (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 BZN
- DEN to BZN (return)
- BZN to SEA 84%
- BZN to ORD 75%
- BZN to SLC 91%
- BZN to MSP 88%
- BZN to DFW 72%
- BZN to LAS 82%
- BZN to LAX 88%
- BZN to ATL 85%
- BZN to SFO 78%
- BZN to EWR 71%
Live status: FAA delays and ground stops