PlainFlights

Route · MSY → BWI · 2020–2025 BTS data

New Orleans to Baltimore

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), MSY to BWI (New Orleans to Baltimore) ranks #2080 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

82.3%
On-time
+3.3 pts
vs US avg
60 min
Delay when late
5,987
Flights
#2080 of 4927
Corpus placement

Cancelled

1.4%

Best Month

Dec 2024 89%

Worst Month

Jun 2025 65%

Distance

998 mi

Carriers

3

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 114 15 1 0 WN,NK
Nov 2025 111 24 0 0 NK,WN
Oct 2025 114 27 0 0 WN,NK
Sep 2025 96 13 0 0 WN,NK
Aug 2025 102 11 3 0 WN,NK
Jul 2025 112 27 4 0 NK,WN
Jun 2025 107 37 1 0 NK,WN
May 2025 103 25 0 0 NK,WN
Apr 2025 113 14 0 0 NK,WN
Mar 2025 126 15 1 0 WN,NK
Feb 2025 100 16 0 0 WN,NK
Jan 2025 96 11 11 0 WN,NK
Dec 2024 103 11 0 0 NK,WN
Nov 2024 98 13 1 0 NK,WN
Oct 2024 110 18 0 0 WN,NK
Sep 2024 95 14 4 0 WN,NK
Aug 2024 109 31 2 2 NK,WN
Jul 2024 114 34 1 1 NK,WN
Jun 2024 113 28 1 0 NK,WN
May 2024 113 20 1 0 NK,WN
Apr 2024 93 15 0 0 WN
Mar 2024 89 24 1 0 WN
Feb 2024 66 11 0 0 WN
Jan 2024 70 21 3 0 WN

MSY–BWI seasonal on-time pattern

Best: September (88.7%) · weakest: June (73.3%)

70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 82.5%

Strongest calendar month

September

88.7% on-time · ~72 flights/mo

Busiest calendar month

July

~94 flights/mo avg

Weakest calendar month

June

73.3% on-time · ~87 flights/mo

Cancellation Rate

1.4%

35 of 2,467 flights

Diversion Rate

0.1%

3 of 2,467 flights

Explore origin & destination

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

MSY - New Orleans

Full on-time, delay-cause, and seasonal performance for New Orleans, LA.

MSY 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 MSY and BWI side by side on delays, cancellations, and reliability.

Compare MSY vs BWI

Origin-hub reliability standing

Mid-pack among MSY departures

From MSY, this corridor sits with 28 other 75–85% on-time routes out of 34 tracked departures, not the hub's reliability leaders (5 at ≥85%) and not the softest ( 1 below 75%). Destination: Baltimore · fleet on-time rank #2238 of 4927.

What the Data Says About MSY to BWI

Bureau of Transportation Statistics records show New Orleans to Baltimore (MSY to BWI) running a 82.3% on-time rate over 5,987 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 60.3 minutes. The 998-mile corridor is served by 3 carriers, and over the last 24 months 1.4% of 2,467 flights were cancelled, 0.1% diverted.

The monthly split is wide on this route: Dec 2024 posted the strongest performance at 89% on-time, while Jun 2025 came in at just 65% - a 24-point swing worth factoring into travel timing.

On the multi-year calendar, MSY–BWI peaks in September at 88.7% on-time while July carries the heaviest traffic (~94 flights per month) ; the softest month is June at 73.3%, a 15.4-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does MSY to BWI rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, MSY to BWI ranks #2080 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 MSY to BWI? ▼
Flights from New Orleans to Baltimore have a 82.3% on-time rate based on 5,987 flights. The average delay is 60.3 minutes. The best recent month was Dec 2024 with 89% on-time.
What is the cancellation rate for MSY to BWI? ▼
Over the last 24 months, 1.4% of flights on this route were cancelled (35 of 2,467 flights) and 0.1% were diverted.
How far is the flight from MSY to BWI? ▼
The flight distance from New Orleans (MSY) to Baltimore (BWI) is approximately 998 miles. This route is served by 3 carriers.
When is the best time to fly from MSY to BWI? ▼
The best recent month for on-time performance was Dec 2024 (89% on-time). The worst was Jun 2025 (65% on-time). Consider booking during months with historically better performance.

Airports on this route

MSY Airport

New Orleans
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 MSY–BWI data

MSY–BWI runs 3.3 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare MSY and BWI airport profiles: delay causes and top routes differ even on the same corridor. MSY airport
  • If your dates flex, September (88.7% on-time) beats June (73.3%) on this corridor. Seasonal chart
  • 4 other routes post a similar 82.3% 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.