Route on-time record
SEA to BZN: most on-time flights and the best time to fly
Seattle (Seattle–Tacoma International Airport) to Bozeman (Bozeman Yellowstone International Airport). 1,485 nonstop flights in Jun 2025 to May 2026, 81% arrived within 15 minutes and 0.5% were cancelled. The most reliable flight number was SkyWest 3183 at 8:14 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
SEA → BZN
Seattle to Bozeman: 1,485 nonstop flights a year
On time (12 months)
81%
Cancelled
0.5%
avg delay 11 min
Best time to leave
Noon to 3 PM
89% on time vs 62% 3 to 6 PM
Most reliable airline
SkyWest
87% chance on time
Lowest nonstop fare seen in the next two months: $110 (Alaska 2378 on 2026-11-13). 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 3183 · sold as United Express, Delta Connection, American Eagle or Alaska
8:14 AM → 11:03 AM1h 49m nonstop
Local times, typical schedule. Last flown 2026-05-31.
90%
chance on time
- On time (history)
- 89%
- Cancelled
- 0.0%
- Avg arrival delay
- 11 min
- Arrived on time 89% of the time (19 flights, Jun 2025 to May 2026).
- Departs outside SEA's trouble window (4 PM to 10 PM, when 54% of its 68 ground stops and delay programs started).
- Short track record (19 flights), so its score leans on the airline's record at this hour.
Limited track record · 19 flights
Find 8:14 AM flight fares Opens this date on Aviasales#2 · SkyWest 4039 · sold as United Express, Delta Connection, American Eagle or Alaska
7:59 PM → 10:46 PM1h 47m nonstop
Local times, typical schedule. Last flown 2026-05-31.
85%
chance on time
- On time (history)
- 85%
- Cancelled
- 0.6%
- Avg arrival delay
- 9 min
- Arrived on time 85% of the time (163 flights, Jun 2025 to May 2026).
- Departs inside SEA's trouble window: 54% of its 68 ground stops and delay programs started between 4 PM and 10 PM.
Moderate track record · 163 flights
Find 7:59 PM flight fares Opens this date on Aviasales#3 · SkyWest 4104 · sold as United Express, Delta Connection, American Eagle or Alaska
11:47 AM → 2:36 PM1h 50m nonstop
Local times, typical schedule. Last flown 2026-05-31.
82%
chance on time
- On time (history)
- 83%
- Cancelled
- 0.6%
- Avg arrival delay
- 9 min
- Arrived on time 83% of the time (168 flights, Jun 2025 to May 2026).
- Departs outside SEA's trouble window (4 PM to 10 PM, when 54% of its 68 ground stops and delay programs started).
Moderate track record · 168 flights
Find 11:47 AM flight fares Opens this date on Aviasales#4 · Alaska 1539
7:59 PM → 10:42 PM1h 43m nonstop
Local times, typical schedule. Last flown 2026-05-31.
82%
chance on time
- On time (history)
- 79%
- Cancelled
- 0.0%
- Avg arrival delay
- 10 min
- Arrived on time 79% of the time (19 flights, Jun 2025 to May 2026).
- Departs inside SEA's trouble window: 54% of its 68 ground stops and delay programs started between 4 PM and 10 PM.
- Short track record (19 flights), so its score leans on the airline's record at this hour.
Limited track record · 19 flights
Find Alaska 1539 fares Opens this date on Aviasales#5 · Alaska 1359
9:18 PM → 11:57 PM1h 39m nonstop
Local times, typical schedule. Last flown 2026-04-20. Same departure also flew as Alaska 322; its record covers all of them.
77%
chance on time
- On time (history)
- 82%
- Cancelled
- 0.0%
- Avg arrival delay
- 9 min
- Arrived on time 82% of the time (68 flights, Jun 2025 to May 2026).
- Never cancelled in 68 scheduled flights.
- Departs inside SEA's trouble window: 54% of its 68 ground stops and delay programs started between 4 PM and 10 PM.
Moderate track record · 68 flights
Find Alaska 1359 fares Opens this date on Aviasales#6 · Alaska 277
11:26 AM → 2:08 PM1h 42m nonstop
Local times, typical schedule. Last flown 2026-04-20.
76%
chance on time
- On time (history)
- 81%
- Cancelled
- 2.0%
- Avg arrival delay
- 11 min
- Arrived on time 81% of the time (149 flights, Jun 2025 to May 2026).
- Departs outside SEA's trouble window (4 PM to 10 PM, when 54% of its 68 ground stops and delay programs started).
Moderate track record · 149 flights
Find Alaska 277 fares Opens this date on Aviasales#7 · Alaska 436
11:55 AM → 2:55 PM2h 00m nonstop
Local times, typical schedule. Last flown 2026-05-11.
76%
chance on time
- On time (history)
- 100%
- Cancelled
- 0.0%
- Avg arrival delay
- 0 min
- Arrived on time 100% of the time (9 flights, Jun 2025 to May 2026).
- Departs outside SEA's trouble window (4 PM to 10 PM, when 54% of its 68 ground stops and delay programs started).
- Short track record (9 flights), so its score leans on the airline's record at this hour.
Limited track record · 9 flights
Find Alaska 436 fares Opens this date on Aviasales#8 · Alaska 553
4:22 PM → 7:05 PM1h 43m nonstop
Local times, typical schedule. Last flown 2026-05-31.
70%
chance on time
- On time (history)
- 78%
- Cancelled
- 0.0%
- Avg arrival delay
- 18 min
- Arrived on time 78% of the time (18 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (3 to 6 PM: 62% on time; Noon to 3 PM: 89%).
- Departs inside SEA's trouble window: 54% of its 68 ground stops and delay programs started between 4 PM and 10 PM.
- Short track record (18 flights), so its score leans on the airline's record at this hour.
Limited track record · 18 flights
Find Alaska 553 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)87%
861 flights · 88% on time as flown · 0.3% cancel
- Alaska Airlines73%
623 flights · 72% on time as flown · 0.9% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM88%
175 flights · avg delay 8 min
- 9 AM to noon79%
493 flights · avg delay 13 min
- Noon to 3 PM89%
149 flights · avg delay 5 min
- 3 to 6 PM62%
183 flights · avg delay 20 min
- 6 to 9 PM88%
361 flights · avg delay 7 min
- After 9 PM82%
124 flights · avg delay 11 min
Best day: Tuesday (84%). 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
- Airline (crew, maintenance, boarding)47%
- Late-arriving aircraft28%
- Air traffic control and airport volume13%
- Severe weather12%
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
SEA to BZN questions
- What time of day is best to fly SEA to BZN?
- Noon to 3 PM: 89% of flights arrived on time, against 62% for departures 3 to 6 PM.
- Which airline is most on time from SEA to BZN?
- SkyWest, with a season-adjusted 87% chance of operating and arriving on time over 861 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 SEA to BZN?
- June (63% on time); the best was November (92%), 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 SEA
- BZN to SEA (return)
- SEA to LAX 83%
- SEA to PHX 79%
- SEA to SFO 69%
- SEA to ANC 74%
- SEA to DEN 77%
- SEA to LAS 77%
- SEA to ORD 75%
- SEA to GEG 81%
- SEA to DFW 77%
- SEA to PDX 82%
- SEA to SAN 78%
- SEA to SMF 81%
Live status: FAA delays and ground stops