All Frontier Airlines network changes tracked by Valor Flights: 3 new routes, 1 resumption. Each entry links to the article it was sourced from. See the full tracker for every airline.
| Route | Change | Effective | Details |
|---|---|---|---|
| San Francisco Bay Area to Phoenix | New route | 2026-08-18 | Frontier Airlines began operating flights from the Bay Area to Phoenix. Source → |
| San Francisco Bay Area to Las Vegas | New route | 2026-08-18 | Frontier Airlines began operating flights from the Bay Area to Las Vegas. Source → |
| San Francisco Bay Area | Resumption | 2026-08-18 | Frontier Airlines returned to the San Francisco Bay Area and acquired two routes previously operated by Spirit Airlines. Source → |
| Network-wide | New route | 2026-08-18 | Frontier Airlines is adding four new routes to fill market share vacated by Spirit Airlines after its collapse in May. Source → |
Data is extracted from Valor Flights reporting and updated continuously; every entry links to its source article. Last updated 2026-08-18.