--- title: "Atlanta (ATL) to Buffalo (BUF) flights: who flies it" description: "Delta Air Lines and Frontier Airlines fly nonstop from ATL to BUF, about 28 flights a week. See confirmed upgrade and award space by date on 2LNR, the next 14 days free." canonical: "https://2lnr.com/routes/atl-buf" url: "https://2lnr.com/routes/atl-buf.md" date_modified: "2026-10-18T05:10:47Z" --- # Atlanta to Buffalo (ATL-BUF): nonstop upgrade & award space Delta Air Lines and Frontier Airlines fly nonstop between Atlanta (ATL) and Buffalo (BUF), roughly 28 times a week. The timetable below shows the nonstop scheduled at 1h 59m to 2h 10m for the 713 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 ATL to BUF on the interactive map [Get started free](https://2lnr.com/login) 28 Flights a week, 4-week average 1h 59m to 2h 10m Scheduled flight time 713 mi Nonstop distance Free To get started ## Atlanta to Buffalo flight schedule Scheduled nonstop departures for ATL to BUF 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 Atlanta (ATL) to Buffalo (BUF) | Date | Flight | Airline | Departs ATL | Arrives BUF | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Fri, Oct 23 | DL 1384 | Delta Air Lines | 09:16 | 11:16 | 2h | [Airbus A321](https://2lnr.com/seatmaps/dl/a321.md) | | Fri, Oct 23 | F9 1408 | Frontier Airlines | 10:49 | 12:59 | 2h 10m | [Airbus A320neo](https://2lnr.com/seatmaps/f9/a320neo.md) | | Fri, Oct 23 | DL 2266 | Delta Air Lines | 12:57 | 14:58 | 2h 1m | Airbus A321 | | Fri, Oct 23 | DL 2050 | Delta Air Lines | 15:45 | 17:49 | 2h 4m | Airbus A321 | | Fri, Oct 23 | DL 2334 | Delta Air Lines | 21:57 | 23:59 | 2h 2m | Airbus A321 | | Sat, Oct 24 | DL 1384 | Delta Air Lines | 09:16 | 11:16 | 2h | Airbus A321 | | Sat, Oct 24 | F9 1408 | Frontier Airlines | 10:49 | 12:59 | 2h 10m | Airbus A320neo | | Sat, Oct 24 | DL 2266 | Delta Air Lines | 14:10 | 16:09 | 1h 59m | Airbus A321 | | Sat, Oct 24 | DL 2334 | Delta Air Lines | 21:57 | 23:59 | 2h 2m | Airbus A321 | | Sun, Oct 25 | DL 1384 | Delta Air Lines | 09:16 | 11:16 | 2h | Airbus A321 | | Sun, Oct 25 | F9 1408 | Frontier Airlines | 10:08 | 12:18 | 2h 10m | [Airbus A321neo family](https://2lnr.com/seatmaps/f9/a321neo.md) | | Sun, Oct 25 | DL 2266 | Delta Air Lines | 12:57 | 14:58 | 2h 1m | Airbus A321 | | Sun, Oct 25 | DL 2050 | Delta Air Lines | 15:45 | 17:49 | 2h 4m | Airbus A321 | | Sun, Oct 25 | DL 2334 | Delta Air Lines | 21:57 | 23:59 | 2h 2m | Airbus A321 | | Mon, Oct 26 | DL 1384 | Delta Air Lines | 09:16 | 11:16 | 2h | Airbus A321 | | Mon, Oct 26 | F9 1408 | Frontier Airlines | 10:49 | 12:59 | 2h 10m | Airbus A320neo | | Mon, Oct 26 | DL 2266 | Delta Air Lines | 12:57 | 14:58 | 2h 1m | Airbus A321 | | Mon, Oct 26 | DL 2050 | Delta Air Lines | 15:45 | 17:49 | 2h 4m | Airbus A321 | | Mon, Oct 26 | DL 2334 | Delta Air Lines | 21:57 | 23:59 | 2h 2m | Airbus A321 | | Tue, Oct 27 | DL 1384 | Delta Air Lines | 09:16 | 11:16 | 2h | Airbus A321 | | Tue, Oct 27 | DL 2266 | Delta Air Lines | 14:10 | 16:09 | 1h 59m | Airbus A321 | | Tue, Oct 27 | DL 2334 | Delta Air Lines | 21:57 | 23:59 | 2h 2m | Airbus A321 | | Wed, Oct 28 | DL 1384 | Delta Air Lines | 09:16 | 11:16 | 2h | Airbus A321 | | Wed, Oct 28 | F9 1408 | Frontier Airlines | 11:07 | 13:15 | 2h 8m | Airbus A320neo | | Wed, Oct 28 | DL 2266 | Delta Air Lines | 14:10 | 16:09 | 1h 59m | Airbus A321 | | Wed, Oct 28 | DL 2334 | Delta Air Lines | 21:57 | 23:59 | 2h 2m | Airbus A321 | | Thu, Oct 29 | DL 1384 | Delta Air Lines | 09:16 | 11:16 | 2h | Airbus A321 | | Thu, Oct 29 | DL 2266 | Delta Air Lines | 14:10 | 16:09 | 1h 59m | Airbus A321 | | Thu, Oct 29 | DL 2334 | Delta Air Lines | 21:57 | 23:59 | 2h 2m | Airbus A321 | Showing all 29 scheduled ATL to BUF 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 ATL to BUF date on the interactive map ## Aircraft on the Atlanta to Buffalo nonstop In the schedule table on this page, Delta Air Lines flies the [Airbus A321](https://2lnr.com/seatmaps/dl/a321.md), and Frontier Airlines flies the [Airbus A320neo](https://2lnr.com/seatmaps/f9/a320neo.md) and the [Airbus A321neo family](https://2lnr.com/seatmaps/f9/a321neo.md). Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## Confirmed upgrade & award space on ATL to BUF departures 2LNR tracks confirmed upgrade and award space on Delta Air Lines, segment by segment and date by date. Open the calendar for Atlanta to Buffalo to see which departures have space, the next 14 days free on every product and the full horizon on Pro. Delta Air Lines award space was open on all 14 Atlanta to Buffalo 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 ATL to BUF 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 ATL to BUF on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Atlanta to Buffalo nonstop Carriers operating ATL to BUF 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) - [Frontier Airlines (F9) route map](https://2lnr.com/routes/airlines/f9.md)\ [The aircraft F9 flies](https://2lnr.com/seatmaps/f9.md) See ATL to BUF on the interactive map → ## Frequently asked questions about ATL to BUF **How long is the flight from Atlanta (ATL) to Buffalo (BUF)?** Scheduled flight times from Atlanta (ATL) to Buffalo (BUF) run from 1h 59m to 2h 10m across the departures in the schedule table on this page. The nonstop covers about 713 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from ATL to BUF?** Delta Air Lines and Frontier Airlines fly ATL to BUF nonstop. 2LNR tracks confirmed upgrade and award space on Delta Air Lines. **How many flights a week are there from ATL to BUF?** About 28 nonstop flights a week run between Atlanta (ATL) and Buffalo (BUF) in the current schedule, operated by Delta Air Lines and Frontier Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from ATL to BUF depart?** Scheduled ATL to BUF nonstops in the next 7 days with service leave between 09:16 and 21:57, local time at Atlanta. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate ATL to BUF nonstop?** In the schedule table on this page, ATL to BUF nonstops fly as DL 1384, DL 2050, DL 2266, and DL 2334 on Delta Air Lines, and F9 1408 on Frontier Airlines. The table lists each departure by date with its times and aircraft. **How do I check upgrade or award availability on ATL to BUF?** Open the ATL to BUF 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 [BUF to ATL upgrade and award space](https://2lnr.com/routes/buf-atl.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 Atlanta (ATL)](https://2lnr.com/routes/atl.md), or [every route from Buffalo (BUF)](https://2lnr.com/routes/buf.md). Nonstops from Atlanta (ATL) to other airports within 150 miles of Buffalo (BUF): - [Atlanta (ATL) to Rochester (ROC)](https://2lnr.com/routes/atl-roc.md), 55 miles from BUF - [Atlanta (ATL) to Toronto (YYZ)](https://2lnr.com/routes/atl-yyz.md), 68 miles from BUF - [Atlanta (ATL) to Syracuse (SYR)](https://2lnr.com/routes/atl-syr.md), 133 miles from BUF 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 ATL to BUF 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)