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Route · ATL → MSY · 2020–2025 BTS data

Atlanta to New Orleans

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), ATL to MSY (Atlanta to New Orleans) ranks #215 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

81.6%
On-time
+2.6 pts
vs US avg
64 min
Delay when late
24,805
Flights
#215 of 4927
Corpus placement

Cancelled

1.4%

Best Month

Sep 2025 88%

Worst Month

Jul 2024 59%

Distance

425 mi

Carriers

20

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 356 73 9 1 DL,WN,F9,NK,AA
Nov 2025 371 47 8 0 DL,F9,NK,WN
Oct 2025 392 67 0 0 DL,WN,F9,NK
Sep 2025 304 35 0 0 WN,DL,NK,F9
Aug 2025 332 73 3 0 WN,F9,NK,DL
Jul 2025 340 100 4 0 DL,NK,WN,F9
Jun 2025 345 121 8 4 DL,NK,WN,F9
May 2025 382 111 0 1 DL,NK,WN,F9
Apr 2025 371 79 4 0 DL,NK,WN
Mar 2025 419 129 0 1 DL,WN,NK
Feb 2025 387 106 1 0 DL,WN,NK
Jan 2025 358 66 49 0 DL,WN,NK
Dec 2024 390 70 0 1 DL,NK,WN
Nov 2024 410 65 0 0 NK,WN,DL
Oct 2024 413 51 0 0 DL,NK,WN
Sep 2024 327 69 7 0 WN,DL,F9,NK
Aug 2024 347 93 1 1 DL,F9,NK,WN
Jul 2024 373 154 23 0 DL,F9,NK,WN
Jun 2024 371 78 1 2 DL,F9,NK,WN
May 2024 389 115 2 3 DL,F9,NK,WN
Apr 2024 396 80 1 3 DL,F9,NK,WN
Mar 2024 411 99 1 1 DL,F9,NK,WN
Feb 2024 394 52 0 0 DL,F9,NK,WN
Jan 2024 381 99 0 1 DL,NK,WN

ATL–MSY seasonal on-time pattern

Best: September (88.5%) · weakest: July (70.9%)

70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 83.6%

Strongest calendar month

September

88.5% on-time · ~312 flights/mo

Busiest calendar month

March

~390 flights/mo avg

Weakest calendar month

July

70.9% on-time · ~333 flights/mo

Cancellation Rate

1.4%

122 of 8,959 flights

Diversion Rate

0.2%

19 of 8,959 flights

Explore origin & destination

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

ATL - Atlanta

Full on-time, delay-cause, and seasonal performance for Atlanta, GA.

ATL on-time profile

MSY - New Orleans

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

MSY on-time profile

Compare the two airports

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

Compare ATL vs MSY

Origin-hub reliability standing

Mid-pack among ATL departures

From ATL, this corridor sits with 75 other 75–85% on-time routes out of 144 tracked departures, not the hub's reliability leaders (67 at ≥85%) and not the softest ( 2 below 75%). Destination: New Orleans · fleet on-time rank #2493 of 4927.

What the Data Says About ATL to MSY

24,805 tracked flights put the ATL to MSY pairing (Atlanta to New Orleans) at a 81.6% on-time rate, squarely in line with the wider network. Delays that do occur run 64.1 minutes on average. Across the 425-mile route and its 20 carriers, the trailing 24 months show 1.4% cancelled and 0.2% diverted (8,959 flights sampled).

The monthly split is wide on this route: Sep 2025 posted the strongest performance at 88% on-time, while Jul 2024 came in at just 59% - a 30-point swing worth factoring into travel timing.

On the multi-year calendar, ATL–MSY peaks in September at 88.5% on-time while March carries the heaviest traffic (~390 flights per month) ; the softest month is July at 70.9%, a 17.6-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does ATL to MSY rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, ATL to MSY ranks #215 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 ATL to MSY? ▼
Flights from Atlanta to New Orleans have a 81.6% on-time rate based on 24,805 flights. The average delay is 64.1 minutes. The best recent month was Sep 2025 with 88% on-time.
What is the cancellation rate for ATL to MSY? ▼
Over the last 24 months, 1.4% of flights on this route were cancelled (122 of 8,959 flights) and 0.2% were diverted.
How far is the flight from ATL to MSY? ▼
The flight distance from Atlanta (ATL) to New Orleans (MSY) is approximately 425 miles. This route is served by 20 carriers.
When is the best time to fly from ATL to MSY? ▼
The best recent month for on-time performance was Sep 2025 (88% on-time). The worst was Jul 2024 (59% on-time). Consider booking during months with historically better performance.

Airports on this route

ATL Airport

Atlanta
MSY Airport

New Orleans
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 ATL–MSY data

ATL–MSY is mid-pack at 81.6% on-time; month and carrier mix move more than the corridor headline.

  • Compare ATL and MSY airport profiles: delay causes and top routes differ even on the same corridor. ATL airport
  • If your dates flex, September (88.5% on-time) beats July (70.9%) on this corridor. Seasonal chart
  • 4 other routes post a similar 81.6% 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.