F9421 is operated by Frontier Airlines from Denver International Airport (DEN) in Denver, United States to Seattle–Tacoma International Airport (SEA) in Seattle, United States, a great-circle distance of about 1,645 km. Live status, scheduled and actual times, gate and terminal for F9421 are available via the API.
Live and scheduled times for F9421 are available through the FlightNerve API.
| Field | DEN departure | SEA arrival |
|---|---|---|
| Scheduled | ••:••, Mon DD | ••:••, Mon DD |
| Estimated / actual | ••:•• | ••:•• |
| Terminal · gate | T• · •• | T• · •• |
| Status | Scheduled / En route / Landed | |
Live status, position, schedule and aircraft for F9421, one API call.
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