---
title: "Miami (MIA) to Buffalo (BUF) flights: who flies it"
description: "American Airlines and Delta Air Lines fly nonstop from MIA to BUF, about 1 flight a week. See confirmed upgrade and award space by date on 2LNR, the next 14 days free."
canonical: "https://2lnr.com/routes/mia-buf"
url: "https://2lnr.com/routes/mia-buf.md"
date_modified: "2026-10-18T05:10:47Z"
---

# Miami to Buffalo (MIA-BUF): nonstop upgrade & award space

American Airlines and Delta Air Lines fly nonstop from Miami (MIA) to Buffalo (BUF) just once a week. The timetable below shows the nonstop scheduled at 3h 12m to 3h 28m for the 1,188 miles. 2LNR checks confirmed upgrade and award space on American Airlines and 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 MIA to BUF on the interactive map [Get started free](https://2lnr.com/login)

1

Flights a week, 4-week average

3h 12m to 3h 28m

Scheduled flight time

1,188 mi

Nonstop distance

Free

To get started

## Miami to Buffalo flight schedule

Scheduled nonstop departures for MIA 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 Miami (MIA) to Buffalo (BUF)

| Date | Flight | Airline | Departs MIA | Arrives BUF | Duration | Aircraft |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Sat, Nov 7 | AA 4750 | American Airlines | 20:15 | 23:29 | 3h 14m | [Embraer E175](https://2lnr.com/seatmaps/aa/e175.md) |
| Sat, Nov 14 | AA 4750 | American Airlines | 20:15 | 23:29 | 3h 14m | Embraer E175 |
| Sat, Nov 21 | AA 4750 | American Airlines | 20:15 | 23:27 | 3h 12m | Embraer E175 |
| Sat, Nov 28 | AA 4750 | American Airlines | 20:15 | 23:27 | 3h 12m | Embraer E175 |
| Sat, Dec 5 | AA 4750 | American Airlines | 20:15 | 23:42 | 3h 27m | Embraer E175 |
| Sat, Dec 12 | AA 4750 | American Airlines | 20:15 | 23:42 | 3h 27m | Embraer E175 |
| Thu, Dec 17 | AA 4750 | American Airlines | 19:42 | 22:56 | 3h 14m | Embraer E175 |
| Thu, Dec 17 | AA 3765 | American Airlines | 20:21 | 23:49 | 3h 28m | Embraer E175 |

Showing all 8 scheduled MIA 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 MIA to BUF date on the interactive map

## Aircraft on the Miami to Buffalo 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 MIA to BUF departures

2LNR tracks confirmed upgrade and award space on American Airlines and Delta Air Lines, segment by segment and date by date. Open the calendar for Miami to Buffalo 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 MIA 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 MIA to BUF on the interactive route map, with schedules, connections, and route statistics.

## Airlines flying Miami to Buffalo nonstop

Carriers operating MIA to BUF 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)
- [Delta Air Lines (DL) route map](https://2lnr.com/routes/airlines/dl.md)\
  [The aircraft DL flies](https://2lnr.com/seatmaps/dl.md)

See MIA to BUF on the interactive map →

## Frequently asked questions about MIA to BUF

**How long is the flight from Miami (MIA) to Buffalo (BUF)?**

Scheduled flight times from Miami (MIA) to Buffalo (BUF) run from 3h 12m to 3h 28m across the departures in the schedule table on this page. The nonstop covers about 1,188 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book.

**Which airlines fly nonstop from MIA to BUF?**

American Airlines and Delta Air Lines fly MIA to BUF nonstop. 2LNR tracks confirmed upgrade and award space on American Airlines and Delta Air Lines.

**How often does MIA to BUF operate?**

The MIA to BUF nonstop currently runs once a week. Thin schedules like this change by season, and on Pro an alert will catch anything added.

**What time do flights from MIA to BUF depart?**

Scheduled MIA to BUF nonstops in the next 7 days with service leave between 19:42 and 20:21, local time at Miami. The schedule table on this page lists every departure by date, with its arrival time and aircraft.

**Which flights operate MIA to BUF nonstop?**

In the schedule table on this page, MIA to BUF nonstops fly as AA 3765 and AA 4750 on American Airlines. The table lists each departure by date with its times and aircraft.

**How do I check upgrade or award availability on MIA to BUF?**

Open the MIA to BUF route on the interactive map or the matrix to see confirmed upgrade and award space by date on American Airlines and 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 MIA upgrade and award space](https://2lnr.com/routes/buf-mia.md).

Award seats rather than schedules? See [American Airlines award availability](https://2lnr.com/awards/aa.md) or [Delta Air Lines award availability](https://2lnr.com/awards/dl.md).

Looking beyond this route? See [every route from Miami (MIA)](https://2lnr.com/routes/mia.md), or [every route from Buffalo (BUF)](https://2lnr.com/routes/buf.md).

Nonstops to Buffalo (BUF) from other airports within 150 miles of Miami (MIA):

- [Fort Lauderdale (FLL) to Buffalo (BUF)](https://2lnr.com/routes/fll-buf.md), 21 miles from MIA
- [Fort Myers (RSW) to Buffalo (BUF)](https://2lnr.com/routes/rsw-buf.md), 105 miles from MIA

Nonstops from Miami (MIA) to other airports within 150 miles of Buffalo (BUF):

- [Miami (MIA) to Rochester (ROC)](https://2lnr.com/routes/mia-roc.md), 55 miles from BUF
- [Miami (MIA) to Toronto (YYZ)](https://2lnr.com/routes/mia-yyz.md), 68 miles from BUF
- [Miami (MIA) to Syracuse (SYR)](https://2lnr.com/routes/mia-syr.md), 133 miles from BUF

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 MIA 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)
