Potomac Air (BK)
An at-a-glance profile of Potomac Air, the active carrier registered in United States under IATA code BK. Includes its callsign, ICAO identifier, and a sample of routes filed under this code.
Carrier facts
- Legal/common name: Potomac Air
- Country of registration: United States
- ATC callsign: DISTRICT
- ICAO code: PDC
Potomac Air is one of 983 active airlines indexed in this directory. The route sample below comes straight from the OpenFlights routes table. Treat it as a snapshot rather than a complete schedule. It still gives a clear picture of where the carrier flies and which airports it concentrates on.
Route sample
Up to 60 routes filed under BK. Each row links to both endpoints' airport pages and to a dedicated route page.
| From | To | Route | ||
|---|---|---|---|---|
| CAN | Guangzhou, China | TSN | Tianjin, China | CAN→TSN |
| CJU | Cheju, South Korea | CSX | Changcha, China | CJU→CSX |
| CJU | Cheju, South Korea | TSN | Tianjin, China | CJU→TSN |
| CKG | Chongqing, China | CSX | Changcha, China | CKG→CSX |
| CKG | Chongqing, China | DYG | Dayong, China | CKG→DYG |
| CKG | Chongqing, China | XNN | Xining, China | CKG→XNN |
| CSX | Changcha, China | CJU | Cheju, South Korea | CSX→CJU |
| CSX | Changcha, China | CKG | Chongqing, China | CSX→CKG |
| CSX | Changcha, China | DYG | Dayong, China | CSX→DYG |
| CSX | Changcha, China | HGH | Hangzhou, China | CSX→HGH |
| CSX | Changcha, China | HJJ | Zhijiang, China | CSX→HJJ |
| CSX | Changcha, China | KMG | Kunming, China | CSX→KMG |
| CSX | Changcha, China | LLF | Yongzhou, China | CSX→LLF |
| CSX | Changcha, China | NKG | Nanjing, China | CSX→NKG |
| CSX | Changcha, China | SYX | Sanya, China | CSX→SYX |
| CSX | Changcha, China | TAO | Qingdao, China | CSX→TAO |
| CSX | Changcha, China | TEN | Tongren, China | CSX→TEN |
| CSX | Changcha, China | TSN | Tianjin, China | CSX→TSN |
| CSX | Changcha, China | XIY | Xi'an, China | CSX→XIY |
| CSX | Changcha, China | XMN | Xiamen, China | CSX→XMN |
| CSX | Changcha, China | ZHA | Zhanjiang, China | CSX→ZHA |
| CTU | Chengdu, China | TSN | Tianjin, China | CTU→TSN |
| DLC | Dalian, China | HGH | Hangzhou, China | DLC→HGH |
| DLC | Dalian, China | TSN | Tianjin, China | DLC→TSN |
| DLC | Dalian, China | YNT | Yantai, China | DLC→YNT |
| DYG | Dayong, China | CKG | Chongqing, China | DYG→CKG |
| DYG | Dayong, China | CSX | Changcha, China | DYG→CSX |
| DYG | Dayong, China | TSN | Tianjin, China | DYG→TSN |
| HEK | Heihe, China | HRB | Harbin, China | HEK→HRB |
| HEK | Heihe, China | OHE | Mohe County, China | HEK→OHE |
| HET | Hohhot, China | TSN | Tianjin, China | HET→TSN |
| HFE | Hefei, China | KMG | Kunming, China | HFE→KMG |
| HGH | Hangzhou, China | CSX | Changcha, China | HGH→CSX |
| HGH | Hangzhou, China | DLC | Dalian, China | HGH→DLC |
| HGH | Hangzhou, China | TSN | Tianjin, China | HGH→TSN |
| HJJ | Zhijiang, China | CSX | Changcha, China | HJJ→CSX |
| HRB | Harbin, China | HEK | Heihe, China | HRB→HEK |
| HRB | Harbin, China | JGD | Jiagedaqi District, China | HRB→JGD |
| HRB | Harbin, China | JMU | Jiamusi, China | HRB→JMU |
| HRB | Harbin, China | JXA | Jixi, China | HRB→JXA |
| HRB | Harbin, China | TSN | Tianjin, China | HRB→TSN |
| JGD | Jiagedaqi District, China | HRB | Harbin, China | JGD→HRB |
| JGD | Jiagedaqi District, China | OHE | Mohe County, China | JGD→OHE |
| JHG | Jinghonggasa, China | KMG | Kunming, China | JHG→KMG |
| JMU | Jiamusi, China | HRB | Harbin, China | JMU→HRB |
| JXA | Jixi, China | HRB | Harbin, China | JXA→HRB |
| KMG | Kunming, China | CSX | Changcha, China | KMG→CSX |
| KMG | Kunming, China | HFE | Hefei, China | KMG→HFE |
| KMG | Kunming, China | JHG | Jinghonggasa, China | KMG→JHG |
| KMG | Kunming, China | NKG | Nanjing, China | KMG→NKG |
| KMG | Kunming, China | UYN | Yulin, China | KMG→UYN |
| KWL | Guilin, China | TSN | Tianjin, China | KWL→TSN |
| LLF | Yongzhou, China | CSX | Changcha, China | LLF→CSX |
| NGB | Ninbo, China | SYX | Sanya, China | NGB→SYX |
| NGB | Ninbo, China | TSN | Tianjin, China | NGB→TSN |
| NKG | Nanjing, China | CSX | Changcha, China | NKG→CSX |
| NKG | Nanjing, China | KMG | Kunming, China | NKG→KMG |
| NKG | Nanjing, China | SHE | Shenyang, China | NKG→SHE |
| NNG | Nanning, China | SZX | Shenzhen, China | NNG→SZX |
| NNG | Nanning, China | XIY | Xi'an, China | NNG→XIY |
Top destinations in the sample
| IATA | Airport | City | Country | Sample frequency |
|---|---|---|---|---|
| TSN | Tianjin Binhai International Airport | Tianjin | China | 11 |
| CSX | Changsha Huanghua International Airport | Changcha | China | 8 |
| KMG | Kunming Changshui International Airport | Kunming | China | 4 |
| HRB | Taiping Airport | Harbin | China | 4 |
| DYG | Dayong Airport | Dayong | China | 2 |
| CKG | Chongqing Jiangbei International Airport | Chongqing | China | 2 |
| HGH | Hangzhou Xiaoshan International Airport | Hangzhou | China | 2 |
| NKG | Nanjing Lukou Airport | Nanjing | China | 2 |
| SYX | Sanya Phoenix International Airport | Sanya | China | 2 |
| XIY | Xi'an Xianyang International Airport | Xi'an | China | 2 |
| OHE | Gu-Lian Airport | Mohe County | China | 2 |
| XNN | Xining Caojiabu Airport | Xining | China | 1 |
| CJU | Jeju International Airport | Cheju | South Korea | 1 |
| HJJ | Zhijiang Airport | Zhijiang | China | 1 |
| LLF | Lingling Airport | Yongzhou | China | 1 |
| TAO | Liuting Airport | Qingdao | China | 1 |
| TEN | Tongren Fenghuang Airport | Tongren | China | 1 |
| XMN | Xiamen Gaoqi International Airport | Xiamen | China | 1 |
| ZHA | Zhanjiang Airport | Zhanjiang | China | 1 |
| YNT | Yantai Laishan Airport | Yantai | China | 1 |
| DLC | Zhoushuizi Airport | Dalian | China | 1 |
| HEK | Heihe Airport | Heihe | China | 1 |
| JGD | Jiagedaqi Airport | Jiagedaqi District | China | 1 |
| JMU | Jiamusi Airport | Jiamusi | China | 1 |
| JXA | Jixi Xingkaihu Airport | Jixi | China | 1 |
Reading an airline page
An airline's IATA code is the two-character identifier you see on tickets and flight numbers. The ICAO code is the three-letter identifier used in air traffic control and on flight plans. The callsign is the spoken name controllers use on the radio. Together they uniquely fingerprint the carrier across regulatory and operational systems, which is handy when you have a flight number from one source and want to confirm the operator from another.
Route samples here come from a community-maintained snapshot. They aren't a substitute for the airline's official schedule, but they reflect which markets the carrier has historically flown. They're also a fast way to spot a carrier's hubs, since hub airports turn up at the top of both the destination and origin lists.