SEA to BZN flight delays & on-time performance
Nonstop flights from Seattle–Tacoma International Airport to Bozeman Yellowstone International Airport · 543 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at SEA or BZN right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Seattle (SEA) to Bozeman (BZN) arrived on time 82% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.4% were cancelled, and 4% arrived an hour or more late.
- SkyWest Airlines was the most punctual airline here (86% on time); Alaska Airlines was the least (77%).
- Departures scheduled around 1pm did best (93% on time); around 8pm did worst (65%).
- Saturday was the most reliable day to fly (86% on time) and Thursday the least (77%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (49%).
Which airline is most on time from SEA to BZN?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Delta Air Lines | 100% | 0.0% | 0 min | 0.0% | 1 |
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 86% | 0.2% | 9 min | 3.5% | 949 |
| Alaska Airlines | 77% | 0.8% | 13 min | 6.0% | 624 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 8am89%151 flights
- 11am80%543 flights
- 12pm95%38 flights
- 1pm93%82 flights
- 3pm68%118 flights
- 4pm78%60 flights
- 7pm90%351 flights
- 8pm65%101 flights
- 9pm82%124 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday83%0.0% cancelled
- Tuesday84%0.0% cancelled
- Wednesday85%0.0% cancelled
- Thursday77%0.4% cancelled
- Friday82%2.1% cancelled
- Saturday86%0.5% cancelled
- Sunday81%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)49%
- Late-arriving aircraft22%
- Extreme weather15%
- Air traffic control & airport congestion14%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather57%
- Airline (crew, maintenance, cleaning, fueling)29%
- Air traffic control & airport congestion14%
- Security0%
SEA to BZN: common questions
- How often are SEA to BZN flights on time?
- 82% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Seattle to Bozeman cancelled?
- 0.4% of scheduled flights were cancelled (7 of 1,574).
- How long are typical delays?
- Across all flights the average arrival delay was 11 min (early arrivals count as zero). Flights that were late arrived 53 min behind schedule on average, and 4.5% of flights were an hour or more late.
- How long is taxi time at SEA?
- Flights on this route spent 23 min taxiing from the gate to takeoff on average.
Related routes
Return trip: BZN to SEA — 84% on time
More flights from Seattle
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: SEA → BZN, nonstop flights by US airlines that report to the DOT. How we calculate this.