--- title: "Washington to Williamsport flights: who flies IAD-IPT" description: "Southern Airways flies nonstop from IAD to IPT, about 7 flights a week as 9X 335, scheduled at 1h 25m. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/iad-ipt" url: "https://2lnr.com/routes/iad-ipt.md" date_modified: "2026-10-18T05:10:47Z" --- # Washington to Williamsport (IAD-IPT): nonstop flights and who flies them Southern Airways flies the IAD to IPT nonstop about 7 times a week. In the timetable below it flies as 9X 335, scheduled at 1h 25m for the 161 miles. Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 23, 2026. See IAD to IPT on the interactive map [Get started free](https://2lnr.com/login) 7 Flights a week, 4-week average 1h 25m Scheduled flight time 161 mi Nonstop distance Free To get started ## Washington to Williamsport flight schedule Scheduled nonstop departures for IAD to IPT starting October 23, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book. Scheduled nonstop departures from Washington (IAD) to Williamsport (IPT) | Date | Flight | Airline | Departs IAD | Arrives IPT | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Fri, Oct 23 | 9X 335 | Southern Airways | 12:50 | 14:15 | 1h 25m | CNC | | Sun, Oct 25 | 9X 335 | Southern Airways | 12:50 | 14:15 | 1h 25m | CNC | | Mon, Oct 26 | 9X 335 | Southern Airways | 12:50 | 14:15 | 1h 25m | CNC | | Tue, Oct 27 | 9X 335 | Southern Airways | 12:50 | 14:15 | 1h 25m | CNC | | Wed, Oct 28 | 9X 335 | Southern Airways | 12:50 | 14:15 | 1h 25m | CNC | | Thu, Oct 29 | 9X 335 | Southern Airways | 12:50 | 14:15 | 1h 25m | CNC | | Fri, Oct 30 | 9X 335 | Southern Airways | 12:50 | 14:15 | 1h 25m | CNC | Showing all 7 scheduled IAD to IPT departures across 7 days with service, starting October 23, 2026. Later dates are on the interactive map. Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure. See every IAD to IPT date on the interactive map ## Aircraft on the Washington to Williamsport nonstop Southern Airways flies the Cessna turboprop on every departure in the schedule table on this page. ## The full IAD to IPT nonstop schedule This page carries the full IAD to IPT nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below. ### See the schedule Who operates each IAD to IPT nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See IAD to IPT on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Washington to Williamsport nonstop Carriers operating IAD to IPT nonstop in the current schedule. - [Southern Airways (9X) route map](https://2lnr.com/routes/airlines/9x.md) See IAD to IPT on the interactive map → ## Frequently asked questions about IAD to IPT **How long is the flight from Washington (IAD) to Williamsport (IPT)?** 9X 335 is scheduled at 1h 25m from Washington (IAD) to Williamsport (IPT) on every departure in the schedule table on this page. The nonstop covers about 161 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from IAD to IPT?** Southern Airways is currently the only airline flying IAD to IPT nonstop. 2LNR doesn't show award or upgrade space for it on IAD to IPT, so this page carries the schedule rather than a space claim. **How many flights a week are there from IAD to IPT?** About 7 nonstop flights a week run between Washington (IAD) and Williamsport (IPT) in the current schedule, operated by Southern Airways. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from IAD to IPT depart?** In the next 7 days with service, every scheduled IAD to IPT nonstop leaves at 12:50 local time at Washington. The schedule table on this page lists each departure by date. **Which flights operate IAD to IPT nonstop?** Southern Airways flies 9X 335 nonstop from Washington (IAD) to Williamsport (IPT), the only flight number in the schedule table on this page. The table lists each date with its departure and arrival times and aircraft. **Does 2LNR show upgrade or award space on IAD to IPT?** Not on this route: 2LNR doesn't show award or upgrade space for Southern Airways on IAD to IPT. The page carries the full IAD to IPT nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [IPT to IAD nonstop flights](https://2lnr.com/routes/ipt-iad.md). Award seats rather than schedules? See [award availability by airline](https://2lnr.com/awards.md). Looking beyond this route? See [every route from Washington (IAD)](https://2lnr.com/routes/iad.md), or [every route from Williamsport (IPT)](https://2lnr.com/routes/ipt.md). Nonstops from Washington (IAD) to other airports within 150 miles of Williamsport (IPT): - [Washington (IAD) to State College (SCE)](https://2lnr.com/routes/iad-sce.md), 55 miles from IPT - [Washington (IAD) to Avoca (AVP)](https://2lnr.com/routes/iad-avp.md), 63 miles from IPT - [Washington (IAD) to Harrisburg (MDT)](https://2lnr.com/routes/iad-mdt.md), 73 miles from IPT - [Washington (IAD) to Lancaster (LNS)](https://2lnr.com/routes/iad-lns.md), 84 miles from IPT - [Washington (IAD) to Ithaca (ITH)](https://2lnr.com/routes/iad-ith.md), 90 miles from IPT Distances are great-circle between the airports, not driving distance. - [How to plan an upgrade by route](https://2lnr.com/guides/upgrade-strategy.md) ## See the full IAD to IPT nonstop schedule Every scheduled departure on this route, with who flies it. 2LNR shows upgrade and award space by date on the carriers it tracks, the next 14 days free on every product and the full horizon on Pro. [Get started free](https://2lnr.com/login)