Route Reliability
Nashville → Seattle
BNA–SEA · 1,978 miles · Nashville International Airport to Seattle–Tacoma International Airport
- 74%
- Arrive within 15 minutes
- 7 min
- Average arrival delay
- 0.9%
- Cancelled
- 1,475
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Delta Air Lines84%504 flights
- 2.Alaska Airlines71%843 flights
- 3.Southwest Airlines57%128 flights
What the data says
Morning-you made the right choice.
BNA–SEA flights departing between 9 AM–12 PM arrived on time 85% of the time, versus 52% between 12–3 PM.
Friday is doing you no favors.
BNA–SEA flights arrived on time 82% of the time on Wednesdays and just 66% on Fridays. That gap is worth planning around.
Delta Air Lines has a clear lead on this route.
Delta Air Lines arrived on time 84% of the time on this route; Southwest Airlines managed 57%.
Trending in the right direction.
BNA–SEA flights arrived on time 79% of the time over the last three months in the data, compared with 71% in the three months before that.
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
- Mon74%(213 flights)
- Tue78%(204 flights)
- Wed82%(201 flights)
- Thu69%(206 flights)
- Fri66%(211 flights)
- Sat79%(211 flights)
- Sun71%(212 flights)
- 6–9 AM81%(724 flights)
- 9 AM–12 PM85%(144 flights)
- 12–3 PM52%(42 flights)
- 3–6 PM70%(335 flights)
- 6–9 PM55%(213 flights)
Jun 73% → May 81% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 73% | 172 |
| July 2025 | 73% | 186 |
| August 2025 | 64% | 174 |
| September 2025 | 76% | 135 |
| October 2025 | 79% | 114 |
| November 2025 | 77% | 88 |
| December 2025 | 57% | 89 |
| January 2026 | 71% | 75 |
| February 2026 | 84% | 76 |
| March 2026 | 72% | 90 |
| April 2026 | 85% | 118 |
| May 2026 | 81% | 141 |
Keep nerding
Based on 1,475 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.