--- title: "IAD to STT flights: who flies it, and when" description: "United Airlines flies nonstop from IAD to STT, about 5 flights a week as UA 1443, scheduled at 3h 57m to 3h 58m. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/iad-stt" url: "https://2lnr.com/routes/iad-stt.md" date_modified: "2026-10-18T05:10:47Z" --- # Washington to Charlotte Amalie (IAD-STT): nonstop flights and who flies them United Airlines flies the IAD to STT nonstop about 5 times a week. In the timetable below it flies as UA 1443, scheduled at 3h 57m to 3h 58m for the 1,609 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 STT on the interactive map [Get started free](https://2lnr.com/login) 5 Flights a week, 4-week average 3h 57m to 3h 58m Scheduled flight time 1,609 mi Nonstop distance Free To get started ## Washington to Charlotte Amalie flight schedule Scheduled nonstop departures for IAD to STT 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 Washington (IAD) to Charlotte Amalie (STT) | Date | Flight | Airline | Departs IAD | Arrives STT | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Sat, Oct 24 | UA 1443 | United Airlines | 09:00 | 12:58 | 3h 58m | [Boeing 737 MAX 8](https://2lnr.com/seatmaps/ua/737-max-8.md) | | Sun, Oct 25 | UA 1443 | United Airlines | 08:59 | 12:56 | 3h 57m | [Boeing 737-700](https://2lnr.com/seatmaps/ua/737-700.md) | | Sat, Oct 31 | UA 1443 | United Airlines | 08:59 | 12:56 | 3h 57m | Boeing 737-700 | | Sun, Nov 1 | UA 1443 | United Airlines | 08:59 | 13:56 | 3h 57m | Boeing 737-700 | | Mon, Nov 2 | UA 1443 | United Airlines | 08:15 | 13:12 | 3h 57m | Boeing 737 MAX 8 | | Tue, Nov 3 | UA 1443 | United Airlines | 08:15 | 13:12 | 3h 57m | Boeing 737 MAX 8 | | Wed, Nov 4 | UA 1443 | United Airlines | 08:15 | 13:12 | 3h 57m | Boeing 737 MAX 8 | Showing all 7 scheduled IAD to STT 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 IAD to STT date on the interactive map ## Aircraft on the Washington to Charlotte Amalie nonstop United Airlines flies the departures in the schedule table on this page with the [Boeing 737 MAX 8](https://2lnr.com/seatmaps/ua/737-max-8.md) and the [Boeing 737-700](https://2lnr.com/seatmaps/ua/737-700.md). Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## The full IAD to STT nonstop schedule This page carries the full IAD to STT 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 STT nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See IAD to STT on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Washington to Charlotte Amalie nonstop Carriers operating IAD to STT 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 IAD to STT on the interactive map → ## Frequently asked questions about IAD to STT **How long is the flight from Washington (IAD) to Charlotte Amalie (STT)?** Scheduled flight times from Washington (IAD) to Charlotte Amalie (STT) run from 3h 57m to 3h 58m across the departures in the schedule table on this page. The nonstop covers about 1,609 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from IAD to STT?** United Airlines is currently the only airline flying IAD to STT nonstop. 2LNR doesn't show award or upgrade space for it on IAD to STT, so this page carries the schedule rather than a space claim. **How many flights a week are there from IAD to STT?** About 5 nonstop flights a week run between Washington (IAD) and Charlotte Amalie (STT) 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 IAD to STT depart?** Scheduled IAD to STT nonstops in the next 7 days with service leave between 08:15 and 09:00, local time at Washington. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate IAD to STT nonstop?** United Airlines flies UA 1443 nonstop from Washington (IAD) to Charlotte Amalie (STT), 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 STT?** Not on this route: 2LNR doesn't show award or upgrade space for United Airlines on IAD to STT. The page carries the full IAD to STT nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [STT to IAD nonstop flights](https://2lnr.com/routes/stt-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 Charlotte Amalie (STT)](https://2lnr.com/routes/stt.md). Nonstops to Charlotte Amalie (STT) from other airports within 150 miles of Washington (IAD): - [Philadelphia (PHL) to Charlotte Amalie (STT)](https://2lnr.com/routes/phl-stt.md), 134 miles from IAD Nonstops from Washington (IAD) to other airports within 150 miles of Charlotte Amalie (STT): - [Washington (IAD) to San Juan (SJU)](https://2lnr.com/routes/iad-sju.md), 68 miles from STT - [Washington (IAD) to Sint Maarten (SXM)](https://2lnr.com/routes/iad-sxm.md), 124 miles from STT 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 STT 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)