--- title: "Boston (BOS) to Green Bay (GRB) flights: who flies it" description: "Delta Air Lines flies nonstop from BOS to GRB, about 2 flights a week, covering 870 miles. See confirmed upgrade and award space by date on 2LNR, the next 14 days free." canonical: "https://2lnr.com/routes/bos-grb" url: "https://2lnr.com/routes/bos-grb.md" date_modified: "2026-10-18T05:10:47Z" --- # Boston to Green Bay (BOS-GRB): nonstop upgrade & award space Delta Air Lines flies nonstop from Boston (BOS) to Green Bay (GRB) just twice a week. In the timetable below it flies as DL 5864, scheduled at 2h 44m to 2h 55m for the 870 miles. 2LNR checks confirmed upgrade and award space on Delta Air Lines 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 GRB on the interactive map [Get started free](https://2lnr.com/login) 2 Flights a week, 4-week average 2h 44m to 2h 55m Scheduled flight time 870 mi Nonstop distance Free To get started ## Boston to Green Bay flight schedule Scheduled nonstop departures for BOS to GRB starting October 21, 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 Green Bay (GRB) | Date | Flight | Airline | Departs BOS | Arrives GRB | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Sat, Nov 7 | DL 5864 | Delta Air Lines | 10:20 | 12:04 | 2h 44m | [Embraer E175](https://2lnr.com/seatmaps/dl/e175.md) | | Mon, Nov 9 | DL 5864 | Delta Air Lines | 10:50 | 12:45 | 2h 55m | Embraer E175 | Showing all 2 scheduled BOS to GRB departures across 2 days with service, starting October 21, 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 GRB date on the interactive map ## Aircraft on the Boston to Green Bay nonstop Delta Air Lines flies the [Embraer E175](https://2lnr.com/seatmaps/dl/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 GRB departures 2LNR tracks confirmed upgrade and award space on Delta Air Lines, segment by segment and date by date. Open the calendar for Boston to Green Bay to see which departures have space, the next 14 days free on every product and the full horizon on Pro. ### See real availability Confirmed upgrade or award seats by date on the BOS to GRB 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 GRB on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Boston to Green Bay nonstop Carriers operating BOS to GRB nonstop in the current schedule. Where 2LNR tracks the carrier, its departures show confirmed upgrade or award space by date. - [Delta Air Lines (DL) route map](https://2lnr.com/routes/airlines/dl.md)\ [The aircraft DL flies](https://2lnr.com/seatmaps/dl.md) See BOS to GRB on the interactive map → ## Frequently asked questions about BOS to GRB **How long is the flight from Boston (BOS) to Green Bay (GRB)?** Scheduled flight times from Boston (BOS) to Green Bay (GRB) run from 2h 44m to 2h 55m across the departures in the schedule table on this page. The nonstop covers about 870 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from BOS to GRB?** Delta Air Lines is currently the only airline flying BOS to GRB nonstop. 2LNR tracks confirmed upgrade and award space on Delta Air Lines. **How often does BOS to GRB operate?** The BOS to GRB nonstop currently runs twice a week, on Delta Air Lines. Thin schedules like this change by season, and on Pro an alert will catch anything added. **What time do flights from BOS to GRB depart?** Scheduled BOS to GRB nonstops in the next 2 days with service leave between 10:20 and 10:50, 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 GRB nonstop?** Delta Air Lines flies DL 5864 nonstop from Boston (BOS) to Green Bay (GRB), the only flight number in the schedule table on this page. The table lists each date with its departure and arrival times and aircraft. **How do I check upgrade or award availability on BOS to GRB?** Open the BOS to GRB route on the interactive map or the matrix to see confirmed upgrade and award space by date on Delta Air Lines, 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 [GRB to BOS upgrade and award space](https://2lnr.com/routes/grb-bos.md). Award seats rather than schedules? See [Delta Air Lines award availability](https://2lnr.com/awards/dl.md). Looking beyond this route? See [every route from Boston (BOS)](https://2lnr.com/routes/bos.md), or [every route from Green Bay (GRB)](https://2lnr.com/routes/grb.md). Nonstops from Boston (BOS) to other airports within 150 miles of Green Bay (GRB): - [Boston (BOS) to Milwaukee (MKE)](https://2lnr.com/routes/bos-mke.md), 107 miles from GRB - [Boston (BOS) to Madison (MSN)](https://2lnr.com/routes/bos-msn.md), 110 miles from GRB - [Boston (BOS) to Traverse City (TVC)](https://2lnr.com/routes/bos-tvc.md), 127 miles from GRB Distances are great-circle between the airports, not driving distance. - [How Delta upgrades clear](https://2lnr.com/about/dl/upgrades.md) - [How to read award availability by date](https://2lnr.com/guides/award-availability.md) ## Never miss BOS to GRB 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)