Dulles (IAD) to Williamsport (IPT)
Flight time
≈ 1h 07m
Bearing
10° N
Dulles (IAD) to Williamsport (IPT) is 161 miles (259 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
Look up a route, or build a trip
Change the airports, or add stops for a multi-leg trip.
What actually flies IAD–IPT
Filed traffic dataIn July 2026, Mokulele Airlines was the only carrier flying nonstop IAD–IPT; the Cessna C208B was the most common aircraft at 100% of departures; flights ran 51% full.
Departures
60
July 2026
Seats
540
both directions
Passengers
278
both directions
Load factor
51.5%
RPM ÷ ASM
Who flies IAD–IPT?
Mokulele Airlines was the only carrier to fly nonstop IAD–IPT in July 2026 (60 departures).
- 9X
Mokulele Airlines
60 departures · 540 seats
Share of departures100.0%51.5%
Load
What plane flies IAD–IPT?
In July 2026, the Cessna C208B flew 100% of IAD–IPT departures.
- Cessna C208B
60 departures · 51.5% load
100.0%
How has IAD–IPT traffic changed?
Nonstop IAD–IPT departures fell from 108 in August 2025 to 60 in July 2026.
Monthly nonstop IAD–IPT traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
108 departures · 565 passengers
48.6%
Load
September 2025
0 departures · 0 passengers
—
Load
October 2025
108 departures · 442 passengers
45.5%
Load
November 2025
65 departures · 346 passengers
59.2%
Load
December 2025
83 departures · 328 passengers
43.9%
Load
January 2026
94 departures · 296 passengers
35.0%
Load
February 2026
85 departures · 286 passengers
37.4%
Load
March 2026
99 departures · 368 passengers
41.3%
Load
April 2026
104 departures · 367 passengers
39.2%
Load
May 2026
88 departures · 382 passengers
48.2%
Load
June 2026
60 departures · 248 passengers
45.9%
Load
July 2026
60 departures · 278 passengers
51.5%
Load
By direction
Each direction is filed separately — they rarely match.
IAD → IPT
52.2% full
30 departures · 141 passengers
IPT → IAD
50.7% full
30 departures · 137 passengers
Nonstop IAD–IPT traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through July 2026; filings from 2025. Public domain (US Government work).
The airports
Williamsport
US
Williamsport Regional Airport
Coordinates
41.24°N, 76.92°W
Hemisphere
N · W
Frequently asked
How far is Dulles (IAD) from Williamsport (IPT)?
IAD to IPT is 161 miles (259 km / 140 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from IAD to IPT?
A nonstop covers the 161-mile great-circle distance in roughly 1h 07m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies IAD–IPT?
In July 2026, the Cessna C208B flew the largest share of departures (100.0%).
What mileage do I earn flying IAD–IPT?
Distance-based programs credit off the 161-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
Keep exploring
Every route below is its own page.
Popular long-haul routes