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Route · BNA → BWI · 2020–2025 BTS data

Nashville to Baltimore

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), BNA to BWI (Nashville to Baltimore) ranks #1126 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

83.6%
On-time
+4.6 pts
vs US avg
57 min
Delay when late
10,265
Flights
#1126 of 4927
Corpus placement

Cancelled

1.5%

Best Month

Nov 2024 93%

Worst Month

Jun 2025 68%

Distance

587 mi

Carriers

3

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 134 24 5 0 WN
Nov 2025 143 23 1 0 WN
Oct 2025 169 45 1 0 WN,NK
Sep 2025 166 21 1 0 WN,NK
Aug 2025 173 34 4 0 WN,NK
Jul 2025 172 47 6 1 NK,WN
Jun 2025 167 53 4 0 WN,NK
May 2025 183 44 3 1 WN,NK
Apr 2025 177 27 0 0 WN
Mar 2025 160 29 1 0 WN
Feb 2025 124 19 0 1 WN
Jan 2025 132 17 8 0 WN
Dec 2024 156 24 0 0 WN
Nov 2024 161 12 0 0 WN
Oct 2024 181 25 0 0 WN,NK
Sep 2024 163 16 0 0 WN
Aug 2024 179 23 6 2 WN
Jul 2024 188 42 4 0 WN
Jun 2024 169 41 1 0 WN
May 2024 172 45 2 0 WN
Apr 2024 166 26 0 0 WN
Mar 2024 159 21 0 0 WN
Feb 2024 124 13 0 0 WN
Jan 2024 144 26 9 0 WN

BNA–BWI seasonal on-time pattern

Best: February (88.9%) · weakest: June (74.4%)

70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 83.8%

Strongest calendar month

February

88.9% on-time · ~119 flights/mo

Busiest calendar month

July

~161 flights/mo avg

Weakest calendar month

June

74.4% on-time · ~136 flights/mo

Cancellation Rate

1.5%

56 of 3,862 flights

Diversion Rate

0.1%

5 of 3,862 flights

Explore origin & destination

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

BNA - Nashville

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

BNA on-time profile

BWI - Baltimore

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

BWI on-time profile

Compare the two airports

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

Compare BNA vs BWI

Origin-hub reliability standing

Mid-pack among BNA departures

From BNA, this corridor sits with 52 other 75–85% on-time routes out of 61 tracked departures, not the hub's reliability leaders (6 at ≥85%) and not the softest ( 3 below 75%). Destination: Baltimore · fleet on-time rank #1711 of 4927.

What the Data Says About BNA to BWI

Bureau of Transportation Statistics records show Nashville to Baltimore (BNA to BWI) running a 83.6% on-time rate over 10,265 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 56.8 minutes. The 587-mile corridor is served by 3 carriers, and over the last 24 months 1.5% of 3,862 flights were cancelled, 0.1% diverted.

The monthly split is wide on this route: Nov 2024 posted the strongest performance at 93% on-time, while Jun 2025 came in at just 68% - a 24-point swing worth factoring into travel timing.

On the multi-year calendar, BNA–BWI peaks in February at 88.9% on-time while July carries the heaviest traffic (~161 flights per month) ; the softest month is June at 74.4%, a 14.5-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does BNA to BWI rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, BNA to BWI ranks #1126 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 BNA to BWI? ▼
Flights from Nashville to Baltimore have a 83.6% on-time rate based on 10,265 flights. The average delay is 56.8 minutes. The best recent month was Nov 2024 with 93% on-time.
What is the cancellation rate for BNA to BWI? ▼
Over the last 24 months, 1.5% of flights on this route were cancelled (56 of 3,862 flights) and 0.1% were diverted.
How far is the flight from BNA to BWI? ▼
The flight distance from Nashville (BNA) to Baltimore (BWI) is approximately 587 miles. This route is served by 3 carriers.
When is the best time to fly from BNA to BWI? ▼
The best recent month for on-time performance was Nov 2024 (93% on-time). The worst was Jun 2025 (68% on-time). Consider booking during months with historically better performance.

Airports on this route

BNA Airport

Nashville
BWI Airport

Baltimore
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 BNA–BWI data

BNA–BWI runs 4.6 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare BNA and BWI airport profiles: delay causes and top routes differ even on the same corridor. BNA airport
  • If your dates flex, February (88.9% on-time) beats June (74.4%) on this corridor. Seasonal chart
  • 4 other routes post a similar 83.6% 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.