{"airport":{"code":"BNA","name":"Nashville International Airport","city":"Nashville","state":"TN"},"currentWait":{"minutes":5,"source":"estimated","lastUpdated":"2026-07-20T19:21:51.470Z"},"tier":"medium","hasLiveData":false,"checkpointCount":3,"premium":{"available":true,"endpoints":["/api/public/airports/bna/confidence","/api/public/airports/bna/intelligence","/api/public/airports/bna/history"],"contact":"support@tsatrack.com"}}