--- title: "Boston (BOS) to Lexington (LEX) flights: who flies it" description: "American Airlines flies nonstop from BOS to LEX, about 2 flights a week, covering 776 miles. See confirmed upgrade and award space by date on 2LNR, the next 14 days free." canonical: "https://2lnr.com/routes/bos-lex" url: "https://2lnr.com/routes/bos-lex.md" date_modified: "2026-10-18T05:10:47Z" --- # Boston to Lexington (BOS-LEX): nonstop upgrade & award space American Airlines flies nonstop from Boston (BOS) to Lexington (LEX) just twice a week. Where the timetable below gives a flight time, it's 2h 46m for the 776 miles. 2LNR checks confirmed upgrade and award space on American Airlines flights on this route, so you can see which departures have space before you book. 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 BOS to LEX on the interactive map [Get started free](https://2lnr.com/login) 2 Flights a week, 4-week average 2h 46m Scheduled flight time 776 mi Nonstop distance Free To get started ## Boston to Lexington flight schedule Scheduled nonstop departures for BOS to LEX 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 Boston (BOS) to Lexington (LEX) | Date | Flight | Airline | Departs BOS | Arrives LEX | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Thu, Oct 29 | AA 4436 | American Airlines | 10:06 | 12:52 | 2h 46m | [Embraer E175](https://2lnr.com/seatmaps/aa/e175.md) | | Sat, Oct 31 | AA 4447 | American Airlines | 09:00 | 11:30 | — | Embraer E175 | Showing all 2 scheduled BOS to LEX departures across 2 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 BOS to LEX date on the interactive map ## Aircraft on the Boston to Lexington nonstop American Airlines flies the [Embraer E175](https://2lnr.com/seatmaps/aa/e175.md) on every departure in the schedule table on this page. Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## Confirmed upgrade & award space on BOS to LEX departures 2LNR tracks confirmed upgrade and award space on American Airlines, segment by segment and date by date. Open the calendar for Boston to Lexington to see which departures have space, the next 14 days free on every product and the full horizon on Pro. American Airlines award space was open on neither of the two Boston to Lexington departure dates from October 19 to November 1 that 2LNR checked in the 7 days to October 19, 2026. ### See real availability Confirmed upgrade or award seats by date on the BOS to LEX departures 2LNR tracks, checked against live inventory so you know what's open before you book. ### Set an alert Premium inventory turns over fast. Watch this route on Pro and 2LNR notifies you when space appears on a date you're tracking. ### Plan on the map See BOS to LEX on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Boston to Lexington nonstop Carriers operating BOS to LEX nonstop in the current schedule. Where 2LNR tracks the carrier, its departures show confirmed upgrade or award space by date. - [American Airlines (AA) route map](https://2lnr.com/routes/airlines/aa.md)\ [The aircraft AA flies](https://2lnr.com/seatmaps/aa.md) See BOS to LEX on the interactive map → ## Frequently asked questions about BOS to LEX **How long is the flight from Boston (BOS) to Lexington (LEX)?** Where the schedule table on this page lists a duration, AA 4436 is scheduled at 2h 46m from Boston (BOS) to Lexington (LEX). The nonstop covers about 776 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from BOS to LEX?** American Airlines is currently the only airline flying BOS to LEX nonstop. 2LNR tracks confirmed upgrade and award space on American Airlines. **How often does BOS to LEX operate?** The BOS to LEX nonstop currently runs twice a week, on American Airlines. Thin schedules like this change by season, and on Pro an alert will catch anything added. **What time do flights from BOS to LEX depart?** Scheduled BOS to LEX nonstops in the next 2 days with service leave between 09:00 and 10:06, local time at Boston. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate BOS to LEX nonstop?** In the schedule table on this page, BOS to LEX nonstops fly as AA 4436 and AA 4447 on American Airlines. The table lists each departure by date with its times and aircraft. **How do I check upgrade or award availability on BOS to LEX?** Open the BOS to LEX route on the interactive map or the matrix to see confirmed upgrade and award space by date on American Airlines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens. Flying the other way? See [LEX to BOS upgrade and award space](https://2lnr.com/routes/lex-bos.md). Award seats rather than schedules? See [American Airlines award availability](https://2lnr.com/awards/aa.md). Looking beyond this route? See [every route from Boston (BOS)](https://2lnr.com/routes/bos.md), or [every route from Lexington (LEX)](https://2lnr.com/routes/lex.md). Nonstops from Boston (BOS) to other airports within 150 miles of Lexington (LEX): - [Boston (BOS) to Louisville (SDF)](https://2lnr.com/routes/bos-sdf.md), 62 miles from LEX - [Boston (BOS) to Cincinnati (CVG)](https://2lnr.com/routes/bos-cvg.md), 71 miles from LEX - [Boston (BOS) to Indianapolis (IND)](https://2lnr.com/routes/bos-ind.md), 148 miles from LEX Distances are great-circle between the airports, not driving distance. - [How American upgrades clear](https://2lnr.com/about/aa/upgrades.md) - [How to read award availability by date](https://2lnr.com/guides/award-availability.md) ## Never miss BOS to LEX upgrade or award space See what's open by date on this route, the next 14 days free on every product and the full horizon on Pro. [Get started free](https://2lnr.com/login)