Washington Dulles International ⇄ Williamsport Regional IAD–IPT
Airlines flew 954 flights between Washington Dulles International IAD in Washington, DC and Williamsport Regional IPT in Williamsport, PA in the twelve months to July 2026, both directions together: 3,906 passengers in 8,776 seats, 45% of them filled. 160 miles, about 67 minutes in the air, on 2 airlines: Southern Airways Express, dba Mokulele Airlines (953), Delta Air Lines Inc. (1). Planning to fly it yourself? The weather and winds along this route right now.
Flights by month both directions
By month, as a table
| flights | |
|---|---|
| 1/25 | 102 |
| 2/25 | 76 |
| 3/25 | 103 |
| 4/25 | 96 |
| 5/25 | 103 |
| 6/25 | 104 |
| 7/25 | 102 |
| 8/25 | 108 |
| 10/25 | 108 |
| 11/25 | 65 |
| 12/25 | 83 |
| 1/26 | 94 |
| 2/26 | 85 |
| 3/26 | 99 |
| 4/26 | 104 |
| 5/26 | 88 |
| 6/26 | 60 |
| 7/26 | 60 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 330 |
| 2/25 | 275 |
| 3/25 | 383 |
| 4/25 | 331 |
| 5/25 | 430 |
| 6/25 | 390 |
| 7/25 | 377 |
| 8/25 | 565 |
| 10/25 | 442 |
| 11/25 | 346 |
| 12/25 | 328 |
| 1/26 | 296 |
| 2/26 | 286 |
| 3/26 | 368 |
| 4/26 | 367 |
| 5/26 | 382 |
| 6/26 | 248 |
| 7/26 | 278 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Southern Airways Express, dba Mokulele Airlines 9X | 953 | 3,844 | 45% | scheduled passenger service |
| Delta Air Lines Inc. DL | 1 | 62 | 31% | charter passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Cessna C208B/Grand Caravan | 953 | 9 | 3,844 |
| Boeing 757-200 | 1 | 199 | 62 |
IAD → IPT this direction alone · flown January 2025 to July 2026
479 flights of 570 scheduled, 1,953 passengers in 4,311 seats. Southern Airways Express, dba Mokulele Airlines 479.
IPT → IAD this direction alone · flown January 2025 to July 2026
475 flights of 570 scheduled, 1,953 passengers in 4,465 seats. Southern Airways Express, dba Mokulele Airlines 474; Delta Air Lines Inc. 1.
Source: the Bureau of Transportation Statistics' T-100 Segment table (all carriers). A flight is one departure performed on this segment; seats and passengers are the airlines' own monthly reports; "seats filled" is passengers divided by seats. The miles are the DOT's great-circle distance. Both ends: Washington Dulles International IAD and Williamsport Regional IPT; all routes.