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Route Reliability

Bozeman → Seattle

BZN–SEA · 543 miles · Bozeman Yellowstone International Airport to Seattle–Tacoma International Airport

90
Nerd Approved
WanderNerd Reliability Score
86%
Arrive within 15 minutes
1 min early
Average arrival delay
0.8%
Cancelled
2,082
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.Delta Air Lines89%778 flights
  2. 2.Alaska Airlines83%1,304 flights

What the data says

Morning flights do better here.

BZN–SEA flights departing between 6–9 AM arrived on time 93% of the time, versus 74% between 6–9 PM.

Thursday is the weak spot.

BZN–SEA flights arrived on time 89% of the time on Tuesdays. On Thursdays: 82%.

Delta Air Lines has a slight edge here.

Delta Air Lines arrived on time 89% of the time on this route; Alaska Airlines managed 83%.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon88%(308 flights)
  • Tue89%(285 flights)
  • Wed87%(270 flights)
  • Thu82%(305 flights)
  • Fri83%(300 flights)
  • Sat86%(289 flights)
  • Sun85%(305 flights)
On-time by departure window
  • 3–6 AM—(1 flights)
  • 6–9 AM93%(681 flights)
  • 9 AM–12 PM85%(375 flights)
  • 12–3 PM77%(133 flights)
  • 3–6 PM84%(589 flights)
  • 6–9 PM74%(283 flights)
On-time trend by month
86%
May

Jun 74% → May 86% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202574%122
July 202581%211
August 202581%208
September 202591%193
October 202590%157
November 202592%153
December 202578%173
January 202690%177
February 202689%159
March 202688%168
April 202688%162
May 202686%179

Keep nerding

Based on 2,082 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.