TO ALLENTOWN, PA (Page 1 of 1)
Effective April 6, 1997
| Origin | Airline | Flight | Depart | Arrive | Equip. | Freq. |
| ATL | DL | 1515 | 10:05am | 12:07pm | 73S | Daily |
| ATL | DL | 980 | 5:35pm | 7:43pm | 73S | Daily |
| BWI | US* | 3502 | 12:45pm | 1:30pm | DH8 | Daily |
| BWI | US* | 3504 | 4:05pm | 4:52pm | DH8 | Daily |
| BWI | US* | 3506 | 8:55pm | 9:45pm | DH8 | x6 |
| BGM | US* | 3509 | 6:15am | 7:00am | DH8 | x67 |
| BOS | US* | 3898 | 9:05am | 10:40am | DH8 | x67 |
| BOS | US* | 3902 | 5:10pm | 6:45pm | DH8 | Daily |
| BOS | US* | 3900 | 6:59pm | 8:34pm | DH8 | x6 |
| BOS | US* | 3904 | 9:00pm | 10:25pm | DH8 | x6 |
| CLT | US | 2234 | 12:05pm | 1:36pm | F28 | Daily |
| CLT | US | 845 | 7:05pm | 8:40pm | F28 | Daily |
| ORD | UA | 1656 | 1:45pm | 4:28pm | 73S | Daily |
| ORD | UA | 1122 | 6:14pm | 8:56pm | 73S | Daily |
| ORD | UA | 1284 | 8:45pm | 11:27pm | 73S | Daily |
| CVG | DL | 1630 | 11:30am | 1:00pm | 73S | Daily |
| CVG | DL/OH | 3833 | 2:55pm | 4:30pm | CRJ | x7 |
| CVG | DL | 1202 | 6:40pm | 8:05pm | 73S | Daily |
| CLE | CO* | 3018 | 10:30am | 11:55am | BE1 | x67 |
| CLE | CO* | 3002 | 2:35pm | 4:05pm | BE1 | x6 |
| CLE | CO* | 3006 | 8:25pm | 9:50pm | BE1 | x6 |
| DTW | NW | 1460 | 7:00am | 8:15am | D9S | x7 |
| DTW | NW/XJ | 3006 | 10:30am | 12:15pm | SF3 | x6 |
| DTW | NW | 542 | 2:00pm | 3:23pm | DC9 | x6 |
| DTW | NW/XJ | 3126 | 2:00pm | 3:40pm | DH8 | 6 |
| DTW | NW | 544 | 5:10pm | 6:33pm | DC9 | Daily |
| DTW | NW | 1132 | 8:30pm | 9:48pm | D9S | x6 |
| DTW | NW/XJ | 3036 | 8:30pm | 10:20pm | SF3 | 6 |
| MDT | UA | 530 | 10:50am | 11:19am | 73S | Daily |
| MDT | DL | 1037 | 4:00pm | 4:29pm | 73S | Daily |
| MDT | DL | 537 | 11:20pm | 11:50pm | 73S | Daily |
| MCO | US | 2399 | 5:55pm | 8:20pm | M80 | 6 |
| MCO | FL | 560 | 6:35pm | 9:00pm | 73S | Daily |
| PHL | US* | 3516 | 10:05am | 10:43am | DH8 | Daily |
| PHL | US* | 3518 | 2:00pm | 2:40pm | DH8 | Daily |
| PHL | US* | 3520 | 4:05pm | 4:50pm | DH8 | Daily |
| PHL | US* | 3522 | 6:45pm | 7:30pm | DH8 | Daily |
| PHL | US* | 3524 | 8:55pm | 9:33pm | DH8 | Daily |
| PIT | US | 1025 | 8:30am | 9:30am | D9S | x7 |
| PIT | US | 367 | 2:25pm | 3:22pm | D9S | Daily |
| PIT | US | 587 | 4:25pm | 5:24pm | 734 | Daily |
| PIT | US | 1224 | 10:00pm | 10:58pm | M80 | Daily |
| YYZ | AC/GX | 1413 | 9:25am | 10:55am | DH8 | x67 |
| YYZ | AC/GX | 1414 | 2:55pm | 4:25pm | DH8 | 6 |
| YYZ | AC/GX | 1417 | 7:35pm | 9:05pm | DH8 | x6 |
| IAD | UA/DH | 6251 | 12:20pm | 1:24pm | J31 | Daily |
| IAD | UA/DH | 6252 | 6:10pm | 7:10pm | J31 | Daily |
| IAD | UA/DH | 6253 | 9:50pm | 10:54pm | J31 | x6 |
| DCA | US* | 3508 | 8:35am | 9:35am | DH8 | Daily |
| DCA | US* | 3510 | 5:10pm | 6:10pm | DH8 | Daily |
| AVP | DL/OH | 3692 | 5:05pm | 5:25pm | CRJ | 7 |
| 1-Mon | 2-Tue | 3-Wed | 4-Thu | 5-Fri | 6-Sat | 7-Sun |