TO ALLENTOWN, PA (Page 1 of 1)
Effective August 1, 1988
| Origin | Airline | Flight | Depart | Arrive | Equip. | Freq. |
| ATL | EA | 752 | 12:25pm | 2:24pm | 727 | Daily |
| ATL | EA | 734 | 7:52pm | 9:47pm | D9S | Daily |
| BWI | PI/TF | 5083 | 8:05am | 8:59am | J31 | Daily |
| BWI | PI* | 4102 | 12:20pm | 1:10pm | DH8 | Daily |
| BWI | PI* | 4602 | 4:05pm | 5:00pm | SH3 | Daily |
| BWI | PI* | 4122 | 5:50pm | 6:35pm | DH8 | x6 |
| BWI | PI* | 4198 | 6:55pm | 7:40pm | DH8 | x6 |
| BWI | PI/TF | 5081 | 6:55pm | 7:50pm | J31 | 6 |
| BWI | PI* | 4615 | 8:45pm | 9:40pm | SH3 | x6 |
| BGM | UA/XV | 2561 | 9:35am | 10:15am | J31 | x67 |
| BOS | PI* | 4133 | 8:40am | 9:55am | DH8 | x67 |
| BOS | PI* | 4132 | 8:40pm | 9:55pm | DH8 | x6 |
| ORD | UA | 980 | 6:30am | 9:12am | 72S | x7 |
| ORD | UA | 224 | 1:44pm | 4:24pm | 72S | Daily |
| ORD | UA | 412 | 8:00pm | 10:49pm | 72S | Daily |
| DTW | NW | 432 | 12:05pm | 1:23pm | DC9 | Daily |
| DTW | NW | 260 | 4:00pm | 5:22pm | DC9 | Daily |
| DTW | NW | 694 | 9:25pm | 10:42pm | D9S | x6 |
| EWR | CO/PT | 3443 | 8:15am | 8:55am | EMB | x67 |
| EWR | CO/PT | 3482 | 12:10pm | 12:50pm | EMB | Daily |
| EWR | CO/PT | 3409 | 4:00pm | 4:40pm | EMB | Daily |
| EWR | CO/PT | 3422 | 6:55pm | 7:35pm | EMB | Daily |
| PHL | AL* | 3640 | 8:31am | 9:01am | SH3 | x67 |
| PHL | EA/QO | 2800 | 9:20am | 9:50am | BEC | x7 |
| PHL | AL* | 3642 | 10:15am | 10:45am | SH3 | x7 |
| PHL | EA/QO | 2802 | 11:55am | 12:25pm | BEC | Daily |
| PHL | AL* | 3645 | 12:30pm | 1:00pm | SH3 | x6 |
| PHL | AL* | 3638 | 2:55pm | 3:25pm | SH3 | Daily |
| PHL | EA/QO | 2804 | 4:45pm | 5:15pm | BEC | Daily |
| PHL | AL* | 3646 | 4:50pm | 5:20pm | SH3 | Daily |
| PHL | AL* | 3647 | 6:35pm | 7:05pm | SH3 | x6 |
| PHL | AL* | 3680 | 6:35pm | 7:05pm | SH3 | 6 |
| PHL | EA/QO | 2808 | 8:30pm | 9:00pm | BE | x67 |
| PHL | AL* | 3650 | 8:50pm | 9:20pm | SH3 | x6 |
| PHL | AL* | 3711 | 10:30pm | 11:00pm | SH3 | x6 |
| PIT | AL | 482 | 8:55am | 9:49am | 733 | Daily |
| PIT | AL | 326 | 1:25pm | 2:22pm | D9S | Daily |
| PIT | AL | 62 | 4:35pm | 5:29pm | 73S | Daily |
| PIT | AL | 6 | 9:45pm | 10:39pm | 733 | Daily |
| PCT | IV | 600 | 6:00am | 6:30am | BNI | x23 |
| PCT | IV | 601 | 11:10am | 11:40am | BNI | x23 |
| PCT | IV | 602 | 2:55pm | 3:25pm | BNI | Daily |
| PCT | IV | 603 | 6:25pm | 6:55pm | BNI | Daily |
| PCT | IV | 604 | 9:50pm | 10:20pm | BNI | Daily |
| RDG | AL* | 3679 | 6:35am | 6:50am | SH6 | 6 |
| YYZ | AC/CS | 1147 | 2:30pm | 4:20pm | SWM | x67 |
| TTN | PI* | 4681 | 11:10am | 11:30am | SH3 | x67 |
| IAD | UA/XV | 2560 | 9:55am | 10:55am | J31 | x67 |
| IAD | UA/XV | 2581 | 12:45pm | 1:45pm | J31 | Daily |
| IAD | UA/XV | 2596 | 3:40pm | 4:40pm | J31 | Daily |
| IAD | UA/XV | 2593 | 4:45pm | 5:45pm | J31 | Daily |
| IAD | UA/XV | 2598 | 9:10pm | 10:10pm | J31 | x6 |
| DCA | PI* | 4643 | 3:20pm | 4:20pm | SH3 | x6 |
| DCA | PI* | 4645 | 8:30pm | 9:30pm | SH3 | x6 |
| AVP | AL | 81 | 11:45am | 12:03pm | 733 | Daily |
| AVP | EA | 735 | 4:05pm | 4:29pm | 727 | Daily |
| 1-Mon | 2-Tue | 3-Wed | 4-Thu | 5-Fri | 6-Sat | 7-Sun |