Route Reliability
Seattle → New York
SEA–JFK · 2,422 miles · Seattle–Tacoma International Airport to John F. Kennedy International Airport
- 74%
- Arrive within 15 minutes
- 8 min
- Average arrival delay
- 2.5%
- Cancelled
- 2,906
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Delta Air Lines81%1,337 flights
- 2.Alaska Airlines68%1,403 flights
- 3.JetBlue Airways67%166 flights
What the data says
Morning-you made the right choice.
SEA–JFK flights departing between 6–9 AM arrived on time 84% of the time, versus 63% between 12–3 PM.
Sunday scaries are real for this one.
SEA–JFK flights arrived on time 79% of the time on Tuesdays. On Sundays: 68%.
Delta Air Lines runs this route best.
Delta Air Lines arrived on time 81% of the time on this route; JetBlue Airways managed 67%.
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
- Mon75%(394 flights)
- Tue79%(406 flights)
- Wed76%(411 flights)
- Thu72%(402 flights)
- Fri73%(403 flights)
- Sat75%(397 flights)
- Sun68%(395 flights)
- 6–9 AM84%(693 flights)
- 9 AM–12 PM67%(586 flights)
- 12–3 PM63%(501 flights)
- 3–6 PM82%(206 flights)
- 9 PM–12 AM75%(822 flights)
Jun 54% → May 82% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 54% | 266 |
| July 2025 | 50% | 266 |
| August 2025 | 68% | 274 |
| September 2025 | 78% | 267 |
| October 2025 | 76% | 266 |
| November 2025 | 84% | 218 |
| December 2025 | 74% | 219 |
| January 2026 | 77% | 179 |
| February 2026 | 91% | 166 |
| March 2026 | 81% | 208 |
| April 2026 | 84% | 224 |
| May 2026 | 82% | 255 |
Same trip, other airports
Keep nerding
Based on 2,906 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.