Frontier Airlines flights
Flight numbers
Frontier Airlines: most popular flights
| Flight # | From | To |
|---|---|---|
| F9 1016 | PHL Philadelphia | SJU San Juan |
| F9 4371 | DEN Denver | SNA Santa Ana |
| F9 687 | DCA Washington | DEN Denver |
| F9 686 | DEN Denver | DCA Washington |
| F9 3573 | EWR New York | SJU San Juan |
| F9 3574 | SJU San Juan | EWR New York |
| F9 86 | STL Saint Louis | CUN Cancun |
| F9 45 | CUN Cancun | ORD Chicago |
| F9 3377 | SJU San Juan | MIA Miami |
| F9 80 | ORD Chicago | PUJ Punta Cana |
| F9 3547 | JFK New York | SJU San Juan |
| F9 3546 | SJU San Juan | JFK New York |
| F9 2687 | DEN Denver | PDX Portland |
| F9 3133 | LGA New York | CLT Charlotte |
| F9 688 | DEN Denver | DCA Washington |
| F9 2818 | SAN San Diego | DEN Denver |
| F9 689 | DCA Washington | DEN Denver |
| F9 1114 | DEN Denver | TPA Tampa |
| F9 690 | DEN Denver | DCA Washington |
| F9 685 | DCA Washington | DEN Denver |
| F9 1916 | CLE Cleveland | MCO Orlando |
| F9 3216 | LAX Los Angeles | ATL Atlanta |
| F9 1376 | PHX Phoenix | DEN Denver |
| F9 44 | ORD Chicago | CUN Cancun |
| F9 87 | CUN Cancun | STL Saint Louis |
| F9 3237 | JFK New York | LAS Las Vegas |
| F9 3238 | LAS Las Vegas | JFK New York |
| F9 3545 | JFK New York | SJU San Juan |
| F9 3439 | DEN Denver | SFO San Francisco |
| F9 4372 | SNA Santa Ana | DEN Denver |
| F9 3215 | ATL Atlanta | LAX Los Angeles |
| F9 2890 | DEN Denver | AUS Austin |
| F9 2284 | MIA Miami | SJU San Juan |
| F9 3571 | EWR New York | SJU San Juan |
| F9 3862 | SLC Salt Lake City | DEN Denver |
| F9 3423 | LGA New York | DFW Dallas |
| F9 3424 | DFW Dallas | LGA New York |
| F9 3308 | SFO San Francisco | LAX Los Angeles |
| F9 3548 | SJU San Juan | JFK New York |
| F9 1230 | SFO San Francisco | DEN Denver |
| F9 2147 | DFW Dallas | DEN Denver |
| F9 4871 | JFK New York | MCO Orlando |
| F9 4347 | LGA New York | ATL Atlanta |
| F9 2261 | DEN Denver | ELP El Paso |
| F9 1819 | DEN Denver | PHX Phoenix |
| F9 1061 | PHX Phoenix | LAX Los Angeles |
| F9 3134 | CLT Charlotte | LGA New York |
| F9 4058 | TPA Tampa | JFK New York |
| F9 4251 | DEN Denver | SLC Salt Lake City |
| F9 3156 | LAX Los Angeles | DEN Denver |
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