--- title: "Green Bay (GRB) to Boston (BOS) flights: who flies it" description: "Delta Air Lines flies nonstop from GRB to BOS, 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/grb-bos" url: "https://2lnr.com/routes/grb-bos.md" date_modified: "2026-10-18T05:10:47Z" --- # Green Bay to Boston (GRB-BOS): nonstop upgrade & award space Delta Air Lines flies nonstop from Green Bay (GRB) to Boston (BOS) just twice a week. In the timetable below it flies as DL 5864, scheduled at 2h 26m to 2h 30m 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 24, 2026. See GRB to BOS on the interactive map [Get started free](https://2lnr.com/login) 2 Flights a week, 4-week average 2h 26m to 2h 30m Scheduled flight time 870 mi Nonstop distance Free To get started ## Green Bay to Boston flight schedule Scheduled nonstop departures for GRB to BOS 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 Green Bay (GRB) to Boston (BOS) | Date | Flight | Airline | Departs GRB | Arrives BOS | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Sat, Nov 7 | DL 5864 | Delta Air Lines | 13:00 | 16:30 | 2h 30m | [Embraer E175](https://2lnr.com/seatmaps/dl/e175.md) | | Mon, Nov 9 | DL 5864 | Delta Air Lines | 13:30 | 16:56 | 2h 26m | Embraer E175 | | Sat, Nov 14 | DL 5864 | Delta Air Lines | 13:00 | 16:30 | 2h 30m | Embraer E175 | | Mon, Nov 16 | DL 5864 | Delta Air Lines | 13:00 | 16:30 | 2h 30m | Embraer E175 | | Sat, Nov 21 | DL 5864 | Delta Air Lines | 13:00 | 16:30 | 2h 30m | Embraer E175 | | Mon, Nov 23 | DL 5864 | Delta Air Lines | 13:00 | 16:30 | 2h 30m | Embraer E175 | | Sat, Nov 28 | DL 5864 | Delta Air Lines | 13:00 | 16:30 | 2h 30m | Embraer E175 | Showing all 7 scheduled GRB to BOS 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 GRB to BOS date on the interactive map ## Aircraft on the Green Bay to Boston 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 GRB to BOS departures 2LNR tracks confirmed upgrade and award space on Delta Air Lines, segment by segment and date by date. Open the calendar for Green Bay to Boston 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 GRB to BOS 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 GRB to BOS on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Green Bay to Boston nonstop Carriers operating GRB to BOS 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 GRB to BOS on the interactive map → ## Frequently asked questions about GRB to BOS **How long is the flight from Green Bay (GRB) to Boston (BOS)?** Scheduled flight times from Green Bay (GRB) to Boston (BOS) run from 2h 26m to 2h 30m 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 GRB to BOS?** Delta Air Lines is currently the only airline flying GRB to BOS nonstop. 2LNR tracks confirmed upgrade and award space on Delta Air Lines. **How often does GRB to BOS operate?** The GRB to BOS 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 GRB to BOS depart?** Scheduled GRB to BOS nonstops in the next 7 days with service leave between 13:00 and 13:30, local time at Green Bay. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate GRB to BOS nonstop?** Delta Air Lines flies DL 5864 nonstop from Green Bay (GRB) to Boston (BOS), 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 GRB to BOS?** Open the GRB to BOS 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 [BOS to GRB upgrade and award space](https://2lnr.com/routes/bos-grb.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 Green Bay (GRB)](https://2lnr.com/routes/grb.md), or [every route from Boston (BOS)](https://2lnr.com/routes/bos.md). Nonstops to Boston (BOS) from other airports within 150 miles of Green Bay (GRB): - [Milwaukee (MKE) to Boston (BOS)](https://2lnr.com/routes/mke-bos.md), 107 miles from GRB - [Madison (MSN) to Boston (BOS)](https://2lnr.com/routes/msn-bos.md), 110 miles from GRB - [Traverse City (TVC) to Boston (BOS)](https://2lnr.com/routes/tvc-bos.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 GRB to BOS 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)