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Route · BUF → ATL · 2020–2025 BTS data

Buffalo to Atlanta

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), BUF to ATL (Buffalo to Atlanta) ranks #1817 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

82.9%
On-time
+3.9 pts
vs US avg
72 min
Delay when late
6,948
Flights
#1817 of 4927
Corpus placement

Cancelled

1.8%

Best Month

Sep 2025 96%

Worst Month

Jan 2024 61%

Distance

712 mi

Carriers

8

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 107 27 7 0 DL,F9
Nov 2025 107 19 3 0 DL,F9
Oct 2025 142 17 0 0 WN,DL,F9
Sep 2025 124 5 0 0 DL,F9
Aug 2025 136 31 4 1 F9,DL
Jul 2025 134 29 2 0 DL,F9
Jun 2025 125 36 7 0 DL,F9
May 2025 107 30 0 0 DL,F9
Apr 2025 102 15 1 1 DL,F9
Mar 2025 105 19 0 0 DL,F9
Feb 2025 87 27 0 0 DL,F9
Jan 2025 91 26 4 0 DL,F9
Dec 2024 101 24 0 0 DL,F9
Nov 2024 113 12 0 0 DL,F9
Oct 2024 136 14 0 0 DL,F9
Sep 2024 134 23 1 0 DL,F9
Aug 2024 139 24 1 3 DL,F9
Jul 2024 134 36 10 0 DL,F9
Jun 2024 115 16 5 0 DL,F9
May 2024 110 26 2 0 DL,F9
Apr 2024 102 13 0 0 DL,F9
Mar 2024 91 17 0 0 DL
Feb 2024 80 6 0 0 DL
Jan 2024 83 32 3 0 DL

BUF–ATL seasonal on-time pattern

Best: October (88.8%) · weakest: July (77.0%)

75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 81.4%

Strongest calendar month

October

88.8% on-time · ~116 flights/mo

Busiest calendar month

October

~116 flights/mo avg

Weakest calendar month

July

77.0% on-time · ~108 flights/mo

Cancellation Rate

1.8%

50 of 2,705 flights

Diversion Rate

0.2%

5 of 2,705 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

BUF - Buffalo

Full on-time, delay-cause, and seasonal performance for Buffalo, NY.

BUF on-time profile

ATL - Atlanta

Full on-time, delay-cause, and seasonal performance for Atlanta, GA.

ATL on-time profile

Compare the two airports

See BUF and ATL side by side on delays, cancellations, and reliability.

Compare BUF vs ATL

Origin-hub reliability standing

Mid-pack among BUF departures

From BUF, this corridor sits with 12 other 75–85% on-time routes out of 19 tracked departures, not the hub's reliability leaders (6 at ≥85%) and not the softest ( 1 below 75%). Destination: Atlanta · fleet on-time rank #1969 of 4927.

What the Data Says About BUF to ATL

Bureau of Transportation Statistics records show Buffalo to Atlanta (BUF to ATL) running a 82.9% on-time rate over 6,948 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 72.4 minutes. The 712-mile corridor is served by 8 carriers, and over the last 24 months 1.8% of 2,705 flights were cancelled, 0.2% diverted.

The monthly split is wide on this route: Sep 2025 posted the strongest performance at 96% on-time, while Jan 2024 came in at just 61% - a 35-point swing worth factoring into travel timing.

On the multi-year calendar, BUF–ATL peaks in October at 88.8% on-time ; the softest month is July at 77.0%, a 11.8-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does BUF to ATL rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, BUF to ATL ranks #1817 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from BUF to ATL? ▼
Flights from Buffalo to Atlanta have a 82.9% on-time rate based on 6,948 flights. The average delay is 72.4 minutes. The best recent month was Sep 2025 with 96% on-time.
What is the cancellation rate for BUF to ATL? ▼
Over the last 24 months, 1.8% of flights on this route were cancelled (50 of 2,705 flights) and 0.2% were diverted.
How far is the flight from BUF to ATL? ▼
The flight distance from Buffalo (BUF) to Atlanta (ATL) is approximately 712 miles. This route is served by 8 carriers.
When is the best time to fly from BUF to ATL? ▼
The best recent month for on-time performance was Sep 2025 (96% on-time). The worst was Jan 2024 (61% on-time). Consider booking during months with historically better performance.

Airports on this route

BUF Airport

Buffalo
ATL Airport

Atlanta
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using BUF–ATL data

BUF–ATL runs 3.9 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare BUF and ATL airport profiles: delay causes and top routes differ even on the same corridor. BUF airport
  • If your dates flex, October (88.8% on-time) beats July (77.0%) on this corridor. Seasonal chart
  • 4 other routes post a similar 82.9% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.