Route Reliability

Route reliability

Nashville (BNA) to Atlanta (ATL): which airline is most on time?

On-time arrivals, cancellations and long delays for every airline that reported nonstop flights from Nashville, TN (BNA) to Atlanta, GA (ATL), September 2025 to August 2026.

Historical performance Official DOT data through August 2026 · Not live flight status

Nashville, TNAtlanta, GA

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Three-letter airport codes, nonstop U.S. domestic flights. One direction at a time.

Route at a glance · September 2025 to August 2026

BNA to ATL

Nashville, TN to Atlanta, GA

On time
81.3%vs 75.6% U.S. average Better than average
Cancelled
1.7%vs 1.9% U.S. average About average
60+ min late
5.9%vs 8.1% U.S. average Better than average
Scheduled flights
4,271in 12 months2 airlines
Most reliable airline
Delta Air Lines84.2% on time · 3,368 flights

On time more often than the U.S. average, with a typical cancellation rate.

Compared with all U.S. flights, September 2025 to August 2026. “About average” means within 1.5 points for on time, 0.3 for cancelled and 1 for 60+ minutes late.

Airlines on this route

Ranked by on-time arrival

Airlines from BNA to ATL, September 2025 to August 2026. Rates are shares of all scheduled flights.
Airline On time Cancelled 60+ min late Avg delay when late Diverted Flights
1. Delta Air Lines Most reliable 84.2% 2.0% 5.2% 78 min 0.1% 3,368
2. Southwest Airlines 70.2% 0.2% 8.6% 57 min 0.0% 903

On time = arrived within 15 minutes of schedule. Avg delay when late = average arrival delay of flights 15+ minutes late. "Most reliable" needs at least 300 flights in 12 months. Tap a heading to sort.

What this means

Delta Air Lines has the strongest record on this route.

  • Delta Air Lines had the best on-time record from Nashville (BNA) to Atlanta (ATL): 84.2% of its 3,368 scheduled flights arrived within 15 minutes of schedule, compared with 70.2% for Southwest Airlines.
  • 1.7% of flights on this route were cancelled (about 1 in 59), about the same as the U.S. average of 1.9%.
  • 5.9% of flights, about 1 in 17, arrived an hour or more late. When a flight was late (15+ minutes), the average arrival delay was 70 min.
  • Overall, 81.3% of flights on this route arrived on time, 5.7 points higher than the U.S. average of 75.6%.
  • Over the last 3 years, September was the most reliable month on this route (90.3% on time) and July the least reliable (71.2%).
  • Cancellations peaked in January, when 4.6% of flights were cancelled.
  • Flights scheduled to depart before 6 am were the most punctual (92.9% on time); flights scheduled to depart 3 pm to 4 pm were the least (65.0%).
  • In the other direction, Atlanta (ATL) to Nashville (BNA), 78.2% of flights were on time and 1.6% were cancelled. Compare airlines ATL to BNA.

Best and worst months to fly BNA to ATL

Jan 79.8%
Feb 89.4%
Mar 84.6%
Apr 86.9%
May 81.1%
Jun 83.4%
Jul 71.2%
Aug 85.5%
Sep 90.3%
Oct 90.3%
Nov 87.6%
Dec 84.0%
Share of scheduled flights on time 12-month average 81.3%
All airlines combined, by calendar month, September 2023 to August 2026 (3 years pooled). Scale starts at zero.
Show as table
PeriodOn timeFlights
January 79.8% 852
February 89.4% 833
March 84.6% 984
April 86.9% 1,040
May 81.1% 1,130
June 83.4% 1,066
July 71.2% 1,085
August 85.5% 1,044
September 90.3% 971
October 90.3% 1,019
November 87.6% 945
December 84.0% 980
Best and worst calendar month by airline, September 2023 to August 2026.
AirlineBest monthWorst month
Delta Air Lines October (91.3%) July (74.3%)
Southwest Airlines September (88.3%) July (57.6%)

Month by month, last 12 months

Sep 93.0%
Oct 84.8%
Nov 79.0%
Dec 79.4%
Jan 80.9%
Feb 88.6%
Mar 78.3%
Apr 85.2%
May 80.5%
Jun 82.3%
Jul 66.7%
Aug 79.8%
Share of scheduled flights on time U.S. average 75.6%
All airlines combined, September 2025 to August 2026. Scale starts at zero.
Show as table
PeriodOn timeFlights
Sep 2025 93.0% 343
Oct 2025 84.8% 362
Nov 2025 79.0% 329
Dec 2025 79.4% 344
Jan 2026 80.9% 298
Feb 2026 88.6% 289
Mar 2026 78.3% 364
Apr 2026 85.2% 378
May 2026 80.5% 400
Jun 2026 82.3% 390
Jul 2026 66.7% 403
Aug 2026 79.8% 371

Best and worst departure times

<6a 92.9%
6a 86.0%
7a 86.8%
8a 87.7%
9a 90.4%
10a 84.9%
11a 85.2%
12p 81.3%
1p 82.8%
2p 79.4%
3p 65.0%
4p 73.8%
5p 75.3%
6p 65.4%
7p 71.2%
8p Insufficient sample
9p Insufficient sample
10p Insufficient sample
Share of scheduled flights on time
By scheduled local departure hour at BNA, September 2025 to August 2026. Hours with no scheduled flights are omitted. Scale starts at zero.
Show as table
PeriodOn timeFlights
Departing before 6 am 92.9% 351
Departing 6 am to 7 am 86.0% 349
Departing 7 am to 8 am 86.8% 303
Departing 8 am to 9 am 87.7% 243
Departing 9 am to 10 am 90.4% 394
Departing 10 am to 11 am 84.9% 284
Departing 11 am to noon 85.2% 196
Departing noon to 1 pm 81.3% 332
Departing 1 pm to 2 pm 82.8% 145
Departing 2 pm to 3 pm 79.4% 384
Departing 3 pm to 4 pm 65.0% 103
Departing 4 pm to 5 pm 73.8% 313
Departing 5 pm to 6 pm 75.3% 300
Departing 6 pm to 7 pm 65.4% 306
Departing 7 pm to 8 pm 71.2% 184
Departing 8 pm to 9 pm Insufficient sample 37
Departing 9 pm to 10 pm Insufficient sample 20
Departing 10 pm to 11 pm Insufficient sample 27
Woman at an airport window watching a plane take off
Photo: Depositphotos (licensed stock, illustrative only). Credits

Sources & data dates

Source
U.S. DOT Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987-present)
Period
September 2025 to August 2026 (12 months); month-of-year patterns September 2023 to August 2026
Data through
August 2026
Processed
2026-11-03
Scope
Nonstop scheduled flights from Nashville, TN (BNA) to Atlanta, GA (ATL), one direction. Airlines that report to the DOT only.
Method
Rates use all scheduled flights as the denominator; cancelled and diverted flights count as not on time. Figures based on fewer than 50 scheduled flights are suppressed. Full methodology.

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