SEA vs JFK — Airport Comparison
Select two airports to compare on-time performance, delays, cancellations, and top routes using U.S. Department of Transportation Bureau of Transportation Statistics (BTS) data (2020–2025) across all 50 states. See our methodology for how metrics are computed.
Key Performance Metrics
BTS on-time performance data, 2020–2025 cumulative.
| Metric | SEA | JFK |
|---|---|---|
| On-Time Rate (higher is better) | 83.1% ✓ | 79.4% |
| Avg Delay (lower is better) | 63.4 min ✓ | 82.5 min |
| Delay Rate (lower is better) | 16.9% ✓ | 20.6% |
| Cancellation Rate (lower is better) | 0.73% ✓ | 1.33% |
| Total Flights | 1,871,155 ▲ | 1,274,816 |
| Delayed Flights | 315,819 | 263,153 |
| Cancelled Flights | 13,720 | 16,932 |
| Top Delay Cause | Carrier | Carrier |
✓ / ▲ indicates the more favorable value. Data: BTS On-Time Performance, 2020–2025.
Delay Cause Breakdown
SEA — Seattle, WA
Carrier 44.3%
Late Aircraft 28.6%
NAS 21.0%
Weather 5.8%
Security 0.3%
JFK — New York, NY
Carrier 43.4%
Late Aircraft 28.3%
NAS 24.4%
Weather 3.6%
Security 0.2%
Top Routes
Top routes from SEA
Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025) Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025) On-time rates exclude cancelled and diverted flights. PlainFlights is not affiliated with BTS or the DOT