Boston, United States
Historical observations below; use the buttons for current flight information.
Data window: 05 September 2026 – 06 October 2026

| Destination | City | Sightings | Carriers seen |
|---|---|---|---|
| ACK | Nantucket, United States | 3,515 | 9K, 1I, B6, 1L, TJ, YX |
| DCA | Washington, United States | 1,176 | YX, AA, B6, DL, MQ |
| ORD | Chicago, United States | 1,101 | UA, AA, DL, B6, YX, MQ |
| LGA | New York, United States | 1,032 | DL, YX, 1I, AA, 1L |
| LAX | Los Angeles, United States | 799 | AA, B6, UA, DL, 1L, 1I |
| BED | Bedford, United States | 781 | 1I, 1L, LF, B6, SY |
| PHL | Philadelphia, United States | 758 | B6, YX, AA, 1I, DL, 1L |
| ATL | Atlanta, United States | 751 | DL, B6, F9, 1L |
| SFO | San Francisco, United States | 745 | B6, UA, DL, 1L, 1I |
| JFK | New York, United States | 713 | B6, DL, YX, VS, BA, AA |
| CLT | Charlotte, United States | 581 | AA, YX, 1L, DL, 1I |
| BWI | Baltimore, United States | 580 | WN, YX, DL, 1I, B6, 1L |
| DFW | Dallas-Fort Worth, United States | 508 | AA, DL, 1I, 1L |
| IND | Indianapolis, United States | 475 | YX, DL, AA, FX, 1I, 1L |
| MCO | Orlando, United States | 475 | F9, DL, B6, AA, BA, 1L |
| SEA | Seattle, United States | 474 | B6, DL, AS, QR |
| DEN | Denver, United States | 465 | UA, B6, WN, DL, 1L |
| EWR | Newark, United States | 464 | UA, YX, 1I, 5X, DL, C2 |
| HPN | White Plains, United States | 436 | 1I, TJ, B6, 1L, LF |
| BUF | Buffalo, United States | 418 | AA, 1I, B6, YX, MQ, 1L |
| CVG | Cincinnati / Covington, United States | 404 | YX, MQ, AA, DL, B6, 2I |
| BNA | Nashville, United States | 391 | WN, B6, DL, YX, 1I, 1L |
| RDU | Raleigh/Durham, United States | 383 | B6, YX, DL, F9, 1I, 1L |
| IAD | Dulles, United States | 378 | UA, 1I, 1L, YX |
| CMH | Columbus, United States | 364 | DL, AA, YX, 1L, MQ, 1I |
| MIA | Miami, United States | 357 | AA, DL, YX, 1I, 1L |
| DTW | Detroit, United States | 356 | DL, B6, 1L, 1I |
| PIT | Pittsburgh, United States | 344 | YX, DL, B6, 1L, 1I |
| LHR | London, United Kingdom | 343 | DL, AA, B6, VS, BA |
| BHB | Bar Harbor, United States | 335 | 9K, 1I, 1L |
| YYZ | Toronto, Canada | 335 | AC, PD, 1I, P3, UA, 1L |
| MSP | Minneapolis, United States | 334 | DL, SY, 1I, 1L |
| FLL | Fort Lauderdale, United States | 327 | B6, DL, 1L, 1I, G4 |
| YTZ | Toronto, Canada | 326 | P3, AC, PD, QK |
| DJT | West Palm Beach, United States | 287 | B6, DL, 1I, 1L |
| AUS | Austin, United States | 286 | B6, DL, WN, 1I, 1L |
| JAX | Jacksonville, United States | 286 | B6, YX, DL, 1I, 1L, WN |
| SAN | San Diego, United States | 286 | AS, DL, B6, WN, 1L |
| CLE | Cleveland, United States | 281 | YX, DL, B6, 1I, 1L, UA |
| TPA | Tampa, United States | 268 | B6, DL, 1L |
| IAH | Houston, United States | 261 | UA, B6, 1L |
| RIC | Richmond, United States | 258 | B6, DL, YX, 1I, 1L |
| LAS | Las Vegas, United States | 252 | B6, DL, 1L |
| TEB | Teterboro, United States | 250 | 1I, 1L, TJ, LF |
| PHX | Phoenix, United States | 247 | DL, AA, 1L, B6 |
| STL | St Louis, United States | 240 | WN, YX, AA, MQ, 1L |
| MDW | Chicago, United States | 236 | WN, 1L, 1I |
| MVY | Martha's Vineyard, United States | 236 | 9K, B6, 1I, 1L, TJ |
| CDG | Paris (Roissy-en-France, Val-d'Oise), France | 206 | B6, DL, AF |
| MAD | Madrid, Spain | 195 | B6, DL, IB |
| AMS | Amsterdam, Netherlands | 192 | DL, B6, KL |
| SDF | Louisville, United States | 179 | 5X, YX, AA, DL, MQ, 1I |
| YUL | Montréal, Canada | 173 | AC, P3, PD, QK, 1L, 1I |
| CHS | Charleston, United States | 162 | B6, DL, 1I, YX, 1L |
| MKE | Milwaukee, United States | 162 | B6, YX, DL, 1I, 1L |
| SLC | Salt Lake City, United States | 159 | B6, DL, 1I, 1L |
| ALB | Albany, United States | 158 | 1I, B6, 1L |
| RSW | Fort Myers, United States | 158 | B6, DL, 1I, 1L |
| BLM | — | 157 | 1I, 1L |
| LIS | Lisbon, Portugal | 153 | DL, TP |
| ROC | Rochester, United States | 153 | YX, MQ, AA, 1I, 1L |
| FOK | — | 152 | 1I, 1L |
| RKD | Rockland, United States | 151 | 1I, 9K, JL, 1L |
| APF | — | 148 | 1I, 1L |
| FRA | Frankfurt am Main, Germany | 147 | LH, DE |
| MSN | Madison, United States | 146 | AA, DL, YX, 1L, 1I |
| MEM | Memphis, United States | 141 | FX, DL, YX, 1L, 1I |
| LEB | Lebanon, United States | 134 | 9K, 1I, 1L |
| SJU | San Juan, Puerto Rico | 133 | B6, DL |
| DUB | Dublin, Ireland | 131 | DL, B6, EI, 1L |
| MSS | Massena, United States | 131 | 4B |
| BCN | Barcelona, Spain | 128 | B6, DL, IB, LL |
| PDX | Portland, United States | 123 | B6, AS |
| FRG | — | 118 | 1I, 1L |
| BFI | Seattle, United States | 117 | 1I, 1L |
| SAV | Savannah, United States | 117 | YX, DL, B6, 1L |
| HYA | Hyannis, United States | 116 | 9K, 1I, 1L |
| BVY | — | 115 | 1I, 1L |
| ILM | Wilmington, United States | 115 | AA, YX, B6, 1I, DL |
| BGR | Bangor, United States | 113 | 1I |
| DAL | Dallas, United States | 110 | WN, 1I, 1L, DL, B6 |
| FCO | Rome, Italy | 110 | AZ, DL |
| PVC | — | 109 | 9K, 1I |
| AUA | Oranjestad, Aruba | 106 | DL, B6 |
| EDI | Ingliston, Edinburgh, United Kingdom | 106 | B6, DL |
| MSY | New Orleans, United States | 104 | B6, DL, 1L, 1I |
| ZRH | Zurich, Switzerland | 103 | LX |
| AUG | Augusta, United States | 100 | 9K, 1I |
| SYR | Syracuse, United States | 100 | AA, B6, YX, 1I, 5X, MQ |
| BDL | Hartford, United States | 94 | 1I, B6, 1L |
| ORF | Norfolk, United States | 94 | DL, B6, YX |
| SDQ | Santo Domingo, Dominican Republic | 93 | B6, DM |
| AVL | Asheville, United States | 92 | YX, 1L, 1I, DL, G4 |
| PTY | Tocumen, Panama | 90 | CM |
| KEF | Reykjavík, Iceland | 89 | FI |
| MXP | Ferno (VA), Italy | 88 | B6, DL |
| RUT | Rutland, United States | 88 | 9K |
| MMU | — | 74 | 1I, 1L, LF |
| ISP | Islip, United States | 73 | 9K, 1I |
| YHZ | Halifax, Canada | 73 | AA, AC, PB, 1L, YX, DL |
| MCI | Kansas City, United States | 70 | DL, YX, 1I, WN |
| PBI | — | 68 | 1I |
| YOW | Ottawa, Canada | 68 | P3, PD |
| BDA | Hamilton, Bermuda | 66 | 2T, B6 |
| MDT | Harrisburg, United States | 66 | AA, 1I, YX |
| PDK | Atlanta, United States | 66 | 1I, 1L |
| DSM | Des Moines, United States | 63 | 1I, G4, 1L |
| SLK | Saranac Lake, United States | 63 | 9K, 5E, 1L, 1I |
| ATH | Spata-Artemida, Greece | 62 | DL |
| NRT | Narita, Japan | 62 | JL |
| AUH | Abu Dhabi, United Arab Emirates | 61 | EY |
| SAL | San Salvador (San Luis Talpa), El Salvador | 60 | AV, B6, TA, AA, LR |
| YYC | Calgary, Canada | 60 | 1L, WS |
| HKG | Hong Kong, Hong Kong | 58 | CX |
| ICN | Seoul, South Korea | 58 | KE |
| ASE | Aspen, United States | 55 | 1I, 1L |
| CPH | Copenhagen, Denmark | 55 | SK |
| MEX | Mexico City, Mexico | 55 | AM |
| MUC | Munich, Germany | 55 | LH |
| CHO | Charlottesville, United States | 54 | 1I, 1L |
| Airline | Code | Sightings |
|---|---|---|
| carrier not named | 1L | 25,477 |
| carrier not named | 1I | 23,728 |
| JetBlue | B6 | 22,286 |
| Delta Air Lines | DL | 20,871 |
| Republic Airways | YX | 16,238 |
| American Airlines | AA | 10,937 |
| Cape Air | 9K | 4,923 |
| United Airlines | UA | 4,863 |
| carrier not named | TJ | 4,567 |
| Envoy Air | MQ | 4,147 |
| Southwest Airlines | WN | 2,950 |
| Frontier Airlines | F9 | 1,609 |
| carrier not named | LF | 1,541 |
| British Airways | BA | 1,531 |
| Sun Country Airlines | SY | 1,141 |
| Virgin Atlantic | VS | 1,056 |
| Air Canada | AC | 907 |
| carrier not named | P3 | 902 |
| Porter Airlines | PD | 902 |
| Alaska Airlines | AS | 899 |
| UPS Airlines | 5X | 756 |
| FedEx Express | FX | 645 |
| Allegiant Air | G4 | 559 |
| Qatar Airways | QR | 517 |
| Jazz Aviation | QK | 499 |
| carrier not named | C2 | 464 |
| carrier not named | 2I | 404 |
| Iberia | IB | 323 |
| Japan Airlines | JL | 213 |
| Air France | AF | 206 |
| Lufthansa | LH | 202 |
| TAP Air Portugal | TP | 194 |
| KLM | KL | 192 |
| carrier not named | 4B | 149 |
| Condor | DE | 147 |
| Aer Lingus | EI | 138 |
| carrier not named | LL | 128 |
| ITA Airways | AZ | 110 |
| Swiss International Air Lines | LX | 103 |
| Arajet | DM | 93 |
| Copa Airlines | CM | 90 |
| Icelandair | FI | 89 |
| Avianca | AV | 80 |
| carrier not named | 5E | 77 |
| PAL Airlines | PB | 73 |
| carrier not named | 2T | 68 |
| Etihad Airways | EY | 61 |
| WestJet | WS | 60 |
| carrier not named | TA | 60 |
| carrier not named | LR | 60 |
| Cathay Pacific | CX | 58 |
| Korean Air | KE | 58 |
| Azores Airlines | S4 | 57 |
| SAS | SK | 55 |
| Aeromexico | AM | 55 |
| LATAM Airlines | LA | 54 |
| LATAM Airlines Brasil | JJ | 54 |
| Turkish Airlines | TK | 52 |
| Emirates | EK | 49 |
| Austrian Airlines | OS | 41 |