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Route · MSY → BOS · 2020–2025 BTS data

New Orleans to Boston

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), MSY to BOS (New Orleans to Boston) ranks #2913 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

72.1%
On-time
-6.9 pts
vs US avg
90 min
Delay when late
3,953
Flights
#2913 of 4927
Corpus placement

Cancelled

1.5%

Best Month

Jan 2025 91%

Worst Month

Sep 2025 32%

Distance

1,368 mi

Carriers

11

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 74 25 2 0 B6,DL
Nov 2025 80 23 0 0 B6,DL
Oct 2025 95 50 0 0 AA,B6,DL,NK
Sep 2025 60 41 1 0 DL,B6
Aug 2025 54 20 1 0 B6,DL
Jul 2025 62 31 0 0 B6,DL
Jun 2025 66 33 0 0 B6,DL
May 2025 98 31 0 0 B6,NK,DL
Apr 2025 113 23 0 0 DL,NK,B6
Mar 2025 123 24 0 0 B6,DL,NK
Feb 2025 100 31 3 0 B6,DL,YX,MQ,NK
Jan 2025 82 7 6 0 B6,DL,NK
Dec 2024 117 34 2 0 B6,DL,NK
Nov 2024 110 17 0 1 B6,NK,DL
Oct 2024 84 12 1 0 DL,NK,B6
Sep 2024 60 17 3 0 B6,DL
Aug 2024 62 16 1 0 B6,DL
Jul 2024 62 19 1 0 B6,DL
Jun 2024 72 22 0 0 B6,DL
May 2024 88 27 0 0 B6,DL
Apr 2024 60 17 0 0 B6,DL
Mar 2024 62 9 7 0 B6,DL
Feb 2024 58 6 0 0 B6,DL
Jan 2024 62 12 1 0 B6,DL

MSY–BOS seasonal on-time pattern

Best: January (83.9%) · weakest: July (60.2%)

50%60%70%80%90% JanFebMarAprMayJunJulAugSepOctNovDec 71.8%

Strongest calendar month

January

83.9% on-time · ~70 flights/mo

Busiest calendar month

May

~91 flights/mo avg

Weakest calendar month

July

60.2% on-time · ~53 flights/mo

Cancellation Rate

1.5%

29 of 1,904 flights

Diversion Rate

0.1%

1 of 1,904 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

BOS - Boston

Full on-time, delay-cause, and seasonal performance for Boston, MA.

BOS on-time profile

Compare the two airports

See MSY and BOS side by side on delays, cancellations, and reliability.

Compare MSY vs BOS

Origin-hub reliability standing

Softer reliability from MSY

Among 34 routes leaving MSY, only 1 (including this one) clear below 75% on-time, while 5 stay ≥85% and 28 sit mid-band. Travelers comparing MSY options should weigh this 72.1% print against those peers · fleet on-time rank #4752 of 4927.

What the Data Says About MSY to BOS

On-time performance on the MSY to BOS pairing (New Orleans to Boston) trails a chunk of the network: 72.1% of 3,953 tracked flights arrived on schedule, with a 90.0-minute average delay on the ones that ran late. The route spans about 1,368 miles across 11 carriers. Cancellations over the trailing 24 months hit 1.5% (29 of 1,904 flights), with 0.1% diverted.

The monthly split is wide on this route: Jan 2025 posted the strongest performance at 91% on-time, while Sep 2025 came in at just 32% - a 60-point swing worth factoring into travel timing.

On the multi-year calendar, MSY–BOS peaks in January at 83.9% on-time while May carries the heaviest traffic (~91 flights per month) ; the softest month is July at 60.2%, a 23.7-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does MSY to BOS rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, MSY to BOS ranks #2913 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 BOS? ▼
Flights from New Orleans to Boston have a 72.1% on-time rate based on 3,953 flights. The average delay is 90.0 minutes. The best recent month was Jan 2025 with 91% on-time.
What is the cancellation rate for MSY to BOS? ▼
Over the last 24 months, 1.5% of flights on this route were cancelled (29 of 1,904 flights) and 0.1% were diverted.
How far is the flight from MSY to BOS? ▼
The flight distance from New Orleans (MSY) to Boston (BOS) is approximately 1,368 miles. This route is served by 11 carriers.
When is the best time to fly from MSY to BOS? ▼
The best recent month for on-time performance was Jan 2025 (91% on-time). The worst was Sep 2025 (32% on-time). Consider booking during months with historically better performance.

Airports on this route

MSY Airport

New Orleans
BOS Airport

Boston
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–BOS data

MSY–BOS sits 6.9 pts below the national 79% average; check the seasonal chart and airport profiles before treating the headline as typical.

  • Compare MSY and BOS airport profiles: delay causes and top routes differ even on the same corridor. MSY airport
  • If your dates flex, January (83.9% on-time) beats July (60.2%) on this corridor. Seasonal chart
  • 4 other routes post a similar 72.1% 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.