PlainFlights

Route · MSY → MIA · 2020–2025 BTS data

New Orleans to Miami

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), MSY to MIA (New Orleans to Miami) ranks #1358 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

78.1%
On-time
-0.9 pts
vs US avg
85 min
Delay when late
8,895
Flights
#1358 of 4927
Corpus placement

Cancelled

2.0%

Best Month

Nov 2025 88%

Worst Month

Apr 2025 68%

Distance

675 mi

Carriers

24

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 121 33 0 0 AA
Nov 2025 139 16 1 0 NK,AA,YX
Oct 2025 139 25 2 0 AA,YX,MQ,NK
Sep 2025 110 24 0 1 MQ,NK,YX,AA
Aug 2025 139 40 1 1 AA,MQ,NK
Jul 2025 131 31 4 2 AA,NK
Jun 2025 136 39 7 0 AA,NK
May 2025 160 34 2 0 AA,MQ,NK
Apr 2025 170 54 0 1 MQ,NK,AA
Mar 2025 154 39 2 0 AA,YX,MQ,NK
Feb 2025 145 34 2 0 AA,YX,MQ,NK
Jan 2025 163 24 15 0 AA,MQ,NK
Dec 2024 132 34 0 0 AA,MQ,NK,WN
Nov 2024 139 20 0 0 NK,WN,YX,MQ,AA
Oct 2024 123 18 1 0 MQ,NK,AA
Sep 2024 103 19 3 0 AA,MQ,NK
Aug 2024 111 27 6 1 AA,MQ,NK,WN
Jul 2024 168 52 1 0 AA,MQ,NK,WN
Jun 2024 169 40 13 1 AA,MQ,NK,WN
May 2024 158 49 2 0 AA,MQ,NK,WN,YX
Apr 2024 159 25 2 0 AA,MQ,NK,WN,YX
Mar 2024 188 57 5 1 AA,MQ,NK,WN
Feb 2024 172 21 0 1 AA,MQ,NK,WN
Jan 2024 177 53 1 0 AA,MQ,WN,NK

MSY–MIA seasonal on-time pattern

Best: November (85.6%) · weakest: June (72.6%)

70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 77.4%

Strongest calendar month

November

85.6% on-time · ~130 flights/mo

Busiest calendar month

May

~146 flights/mo avg

Weakest calendar month

June

72.6% on-time · ~139 flights/mo

Cancellation Rate

2.0%

70 of 3,506 flights

Diversion Rate

0.3%

9 of 3,506 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

MIA - Miami

Full on-time, delay-cause, and seasonal performance for Miami, FL.

MIA on-time profile

Compare the two airports

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

Compare MSY vs MIA

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: Miami · fleet on-time rank #3818 of 4927.

What the Data Says About MSY to MIA

The New Orleans to Miami corridor (MSY to MIA) posts a 78.1% on-time rate on the lower edge of the average band, based on 8,895 tracked flights. Late flights run 84.9 minutes behind on average. 24 carriers cover the 675-mile route; over the last 24 months, 70 of 3,506 flights were cancelled (2.0%) and 0.3% diverted.

The monthly split is wide on this route: Nov 2025 posted the strongest performance at 88% on-time, while Apr 2025 came in at just 68% - a 20-point swing worth factoring into travel timing.

On the multi-year calendar, MSY–MIA peaks in November at 85.6% on-time while May carries the heaviest traffic (~146 flights per month) ; the softest month is June at 72.6%, a 13.0-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does MSY to MIA rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, MSY to MIA ranks #1358 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 MIA? ▼
Flights from New Orleans to Miami have a 78.1% on-time rate based on 8,895 flights. The average delay is 84.9 minutes. The best recent month was Nov 2025 with 88% on-time.
What is the cancellation rate for MSY to MIA? ▼
Over the last 24 months, 2.0% of flights on this route were cancelled (70 of 3,506 flights) and 0.3% were diverted.
How far is the flight from MSY to MIA? ▼
The flight distance from New Orleans (MSY) to Miami (MIA) is approximately 675 miles. This route is served by 24 carriers.
When is the best time to fly from MSY to MIA? ▼
The best recent month for on-time performance was Nov 2025 (88% on-time). The worst was Apr 2025 (68% on-time). Consider booking during months with historically better performance.

Airports on this route

MSY Airport

New Orleans
MIA Airport

Miami
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–MIA data

MSY–MIA is mid-pack at 78.1% on-time; month and carrier mix move more than the corridor headline.

  • Compare MSY and MIA airport profiles: delay causes and top routes differ even on the same corridor. MSY airport
  • If your dates flex, November (85.6% on-time) beats June (72.6%) on this corridor. Seasonal chart
  • 4 other routes post a similar 78.1% 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.