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Route · BWI → BNA · 2020–2025 BTS data

Baltimore to Nashville

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), BWI to BNA (Baltimore to Nashville) ranks #1117 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

80.8%
On-time
+1.8 pts
vs US avg
58 min
Delay when late
10,321
Flights
#1117 of 4927
Corpus placement

Cancelled

1.0%

Best Month

Feb 2024 92%

Worst Month

Jul 2024 62%

Distance

587 mi

Carriers

3

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 131 28 1 1 WN
Nov 2025 143 29 0 0 WN
Oct 2025 169 33 1 1 WN,NK
Sep 2025 167 18 0 0 WN,NK
Aug 2025 173 30 4 0 WN,NK
Jul 2025 173 45 6 1 NK,WN
Jun 2025 167 49 2 0 WN,NK
May 2025 174 38 2 2 NK,WN
Apr 2025 169 22 0 0 WN
Mar 2025 160 27 2 0 WN
Feb 2025 124 13 0 0 WN
Jan 2025 131 23 7 0 WN
Dec 2024 156 36 0 0 WN
Nov 2024 159 16 0 0 WN
Oct 2024 181 21 0 0 WN
Sep 2024 164 21 0 0 WN
Aug 2024 179 46 3 0 WN
Jul 2024 188 72 1 0 WN
Jun 2024 169 45 0 0 WN
May 2024 172 45 1 0 WN
Apr 2024 166 32 0 1 WN
Mar 2024 157 37 1 0 WN
Feb 2024 120 10 0 0 WN
Jan 2024 139 39 6 0 WN

BWI–BNA seasonal on-time pattern

Best: February (87.0%) · weakest: July (68.6%)

65%70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 80.6%

Strongest calendar month

February

87.0% on-time · ~118 flights/mo

Busiest calendar month

October

~164 flights/mo avg

Weakest calendar month

July

68.6% on-time · ~161 flights/mo

Cancellation Rate

1.0%

37 of 3,831 flights

Diversion Rate

0.2%

6 of 3,831 flights

Explore origin & destination

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

BWI - Baltimore

Full on-time, delay-cause, and seasonal performance for Baltimore, MD.

BWI on-time profile

BNA - Nashville

Full on-time, delay-cause, and seasonal performance for Nashville, TN.

BNA on-time profile

Compare the two airports

See BWI and BNA side by side on delays, cancellations, and reliability.

Compare BWI vs BNA

Origin-hub reliability standing

Mid-pack among BWI departures

From BWI, this corridor sits with 53 other 75–85% on-time routes out of 64 tracked departures, not the hub's reliability leaders (0 at ≥85%) and not the softest ( 11 below 75%). Destination: Nashville · fleet on-time rank #2803 of 4927.

What the Data Says About BWI to BNA

10,321 tracked flights put the BWI to BNA pairing (Baltimore to Nashville) at a 80.8% on-time rate, squarely in line with the wider network. Delays that do occur run 58.0 minutes on average. Across the 587-mile route and its 3 carriers, the trailing 24 months show 1.0% cancelled and 0.2% diverted (3,831 flights sampled).

The monthly split is wide on this route: Feb 2024 posted the strongest performance at 92% on-time, while Jul 2024 came in at just 62% - a 30-point swing worth factoring into travel timing.

On the multi-year calendar, BWI–BNA peaks in February at 87.0% on-time while October carries the heaviest traffic (~164 flights per month) ; the softest month is July at 68.6%, a 18.4-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does BWI to BNA rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, BWI to BNA ranks #1117 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 BWI to BNA? ▼
Flights from Baltimore to Nashville have a 80.8% on-time rate based on 10,321 flights. The average delay is 58.0 minutes. The best recent month was Feb 2024 with 92% on-time.
What is the cancellation rate for BWI to BNA? ▼
Over the last 24 months, 1.0% of flights on this route were cancelled (37 of 3,831 flights) and 0.2% were diverted.
How far is the flight from BWI to BNA? ▼
The flight distance from Baltimore (BWI) to Nashville (BNA) is approximately 587 miles. This route is served by 3 carriers.
When is the best time to fly from BWI to BNA? ▼
The best recent month for on-time performance was Feb 2024 (92% on-time). The worst was Jul 2024 (62% on-time). Consider booking during months with historically better performance.

Airports on this route

BWI Airport

Baltimore
BNA Airport

Nashville
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 BWI–BNA data

BWI–BNA is mid-pack at 80.8% on-time; month and carrier mix move more than the corridor headline.

  • Compare BWI and BNA airport profiles: delay causes and top routes differ even on the same corridor. BWI airport
  • If your dates flex, February (87.0% on-time) beats July (68.6%) on this corridor. Seasonal chart
  • 4 other routes post a similar 80.8% 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.