--- title: "Harrisburg to Washington flights: who flies MDT-IAD" description: "United Airlines flies nonstop from MDT to IAD, about 23 flights a week, scheduled at 57 minutes to 1h 2m. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/mdt-iad" url: "https://2lnr.com/routes/mdt-iad.md" date_modified: "2026-10-18T05:10:47Z" --- # Harrisburg to Washington (MDT-IAD): nonstop flights and who flies them United Airlines flies nonstop between Harrisburg (MDT) and Washington (IAD), roughly 23 times a week. The timetable below shows the nonstop scheduled at 57 minutes to 1h 2m for the 94 miles. Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 22, 2026. See MDT to IAD on the interactive map [Get started free](https://2lnr.com/login) 23 Flights a week, 4-week average 57 minutes to 1h 2m Scheduled flight time 94 mi Nonstop distance Free To get started ## Harrisburg to Washington flight schedule Scheduled nonstop departures for MDT to IAD starting October 22, 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 Harrisburg (MDT) to Washington (IAD) | Date | Flight | Airline | Departs MDT | Arrives IAD | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Thu, Oct 22 | UA 4491 | United Airlines | 06:15 | 07:17 | 1h 2m | CR5 | | Thu, Oct 22 | UA 4591 | United Airlines | 14:55 | 15:53 | 58 minutes | CR5 | | Fri, Oct 23 | UA 4491 | United Airlines | 06:15 | 07:17 | 1h 2m | CR5 | | Fri, Oct 23 | UA 4591 | United Airlines | 14:55 | 15:53 | 58 minutes | CR5 | | Sat, Oct 24 | UA 4491 | United Airlines | 06:15 | 07:12 | 57 minutes | CR5 | | Sat, Oct 24 | UA 4591 | United Airlines | 14:55 | 15:53 | 58 minutes | CR5 | | Sun, Oct 25 | UA 4437 | United Airlines | 06:15 | 07:15 | 1h | CR5 | | Sun, Oct 25 | UA 4974 | United Airlines | 10:30 | 11:30 | 1h | ERJ | | Sun, Oct 25 | UA 4268 | United Airlines | 14:40 | 15:40 | 1h | ERJ | | Sun, Oct 25 | UA 4302 | United Airlines | 19:59 | 20:58 | 59 minutes | ERJ | | Mon, Oct 26 | UA 4244 | United Airlines | 06:15 | 07:15 | 1h | ERJ | | Mon, Oct 26 | UA 4974 | United Airlines | 10:30 | 11:30 | 1h | ERJ | | Mon, Oct 26 | UA 4268 | United Airlines | 14:40 | 15:40 | 1h | ERJ | | Mon, Oct 26 | UA 4302 | United Airlines | 19:59 | 20:58 | 59 minutes | ERJ | | Tue, Oct 27 | UA 4974 | United Airlines | 10:30 | 11:30 | 1h | ERJ | | Tue, Oct 27 | UA 4268 | United Airlines | 14:40 | 15:40 | 1h | ERJ | | Tue, Oct 27 | UA 4302 | United Airlines | 20:13 | 21:13 | 1h | ERJ | | Wed, Oct 28 | UA 4974 | United Airlines | 10:30 | 11:30 | 1h | ERJ | | Wed, Oct 28 | UA 4268 | United Airlines | 14:40 | 15:40 | 1h | ERJ | | Wed, Oct 28 | UA 4302 | United Airlines | 20:13 | 21:13 | 1h | ERJ | Showing all 20 scheduled MDT to IAD departures across 7 days with service, starting October 22, 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 MDT to IAD date on the interactive map ## Aircraft on the Harrisburg to Washington nonstop United Airlines flies the departures in the schedule table on this page with the Embraer ERJ and the Bombardier CRJ. ## The full MDT to IAD nonstop schedule This page carries the full MDT to IAD nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below. ### See the schedule Who operates each MDT to IAD nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See MDT to IAD on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Harrisburg to Washington nonstop Carriers operating MDT to IAD nonstop in the current schedule. - [United Airlines (UA) route map](https://2lnr.com/routes/airlines/ua.md)\ [The aircraft UA flies](https://2lnr.com/seatmaps/ua.md) See MDT to IAD on the interactive map → ## Frequently asked questions about MDT to IAD **How long is the flight from Harrisburg (MDT) to Washington (IAD)?** Scheduled flight times from Harrisburg (MDT) to Washington (IAD) run from 57 minutes to 1h 2m across the departures in the schedule table on this page. The nonstop covers about 94 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from MDT to IAD?** United Airlines is currently the only airline flying MDT to IAD nonstop. 2LNR doesn't show award or upgrade space for it on MDT to IAD, so this page carries the schedule rather than a space claim. **How many flights a week are there from MDT to IAD?** About 23 nonstop flights a week run between Harrisburg (MDT) and Washington (IAD) in the current schedule, operated by United Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from MDT to IAD depart?** Scheduled MDT to IAD nonstops in the next 7 days with service leave between 06:15 and 20:13, local time at Harrisburg. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate MDT to IAD nonstop?** In the schedule table on this page, MDT to IAD nonstops fly as UA 4244, UA 4268, UA 4302, UA 4437, UA 4491, UA 4591, and UA 4974 on United Airlines. The table lists each departure by date with its times and aircraft. **Does 2LNR show upgrade or award space on MDT to IAD?** Not on this route: 2LNR doesn't show award or upgrade space for United Airlines on MDT to IAD. The page carries the full MDT to IAD nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [IAD to MDT nonstop flights](https://2lnr.com/routes/iad-mdt.md). Award seats rather than schedules? See [award availability by airline](https://2lnr.com/awards.md). Looking beyond this route? See [every route from Harrisburg (MDT)](https://2lnr.com/routes/mdt.md), or [every route from Washington (IAD)](https://2lnr.com/routes/iad.md). Nonstops to Washington (IAD) from other airports within 150 miles of Harrisburg (MDT): - [Williamsport (IPT) to Washington (IAD)](https://2lnr.com/routes/ipt-iad.md), 73 miles from MDT - [State College (SCE) to Washington (IAD)](https://2lnr.com/routes/sce-iad.md), 73 miles from MDT - [Philadelphia (PHL) to Washington (IAD)](https://2lnr.com/routes/phl-iad.md), 83 miles from MDT - [Avoca (AVP) to Washington (IAD)](https://2lnr.com/routes/avp-iad.md), 96 miles from MDT - [Johnstown (JST) to Washington (IAD)](https://2lnr.com/routes/jst-iad.md), 110 miles from MDT Nonstops from Harrisburg (MDT) to other airports within 150 miles of Washington (IAD): - [Harrisburg (MDT) to Philadelphia (PHL)](https://2lnr.com/routes/mdt-phl.md), 134 miles from IAD 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 MDT to IAD 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)