Route · MDW → MSY · 2020–2025 BTS data
Chicago to New Orleans
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), MDW to MSY (Chicago to New Orleans) ranks #2118 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 79.5%
- On-time
- +0.5 pts
- vs US avg
- 58 min
- Delay when late
- 5,904
- Flights
- #2118 of 4927
- Corpus placement
Cancelled
1.1%
Best Month
Oct 2024 97%
Worst Month
Jul 2025 57%
Distance
825 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 79 | 21 | 0 | 0 | WN |
| Nov 2025 | 79 | 11 | 3 | 0 | WN |
| Oct 2025 | 97 | 21 | 0 | 0 | WN |
| Sep 2025 | 81 | 17 | 0 | 0 | WN |
| Aug 2025 | 86 | 23 | 1 | 0 | WN |
| Jul 2025 | 97 | 42 | 1 | 0 | WN |
| Jun 2025 | 95 | 34 | 0 | 2 | WN |
| May 2025 | 90 | 17 | 0 | 0 | WN |
| Apr 2025 | 90 | 19 | 0 | 1 | WN |
| Mar 2025 | 90 | 18 | 0 | 0 | WN |
| Feb 2025 | 69 | 11 | 0 | 0 | WN |
| Jan 2025 | 64 | 12 | 5 | 0 | WN |
| Dec 2024 | 71 | 9 | 0 | 0 | WN |
| Nov 2024 | 78 | 8 | 0 | 0 | WN |
| Oct 2024 | 86 | 3 | 0 | 0 | WN |
| Sep 2024 | 81 | 5 | 3 | 1 | WN |
| Aug 2024 | 88 | 22 | 0 | 0 | WN |
| Jul 2024 | 96 | 38 | 1 | 1 | WN |
| Jun 2024 | 95 | 30 | 0 | 1 | WN |
| May 2024 | 96 | 33 | 1 | 0 | WN |
| Apr 2024 | 93 | 17 | 0 | 2 | WN |
| Mar 2024 | 87 | 20 | 0 | 1 | WN |
| Feb 2024 | 58 | 8 | 0 | 0 | WN |
| Jan 2024 | 68 | 18 | 7 | 0 | WN |
MDW–MSY seasonal on-time pattern
Best: November (87.1%) · weakest: July (68.4%)
Strongest calendar month
November
87.1% on-time · ~80 flights/mo
Busiest calendar month
July
~100 flights/mo avg
Weakest calendar month
July
68.4% on-time · ~100 flights/mo
Cancellation Rate
1.1%
22 of 2,014 flights
Diversion Rate
0.4%
9 of 2,014 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
MDW - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
MDW on-time profileMSY - New Orleans
Full on-time, delay-cause, and seasonal performance for New Orleans, LA.
MSY on-time profileCompare the two airports
See MDW and MSY side by side on delays, cancellations, and reliability.
Compare MDW vs MSYOrigin-hub reliability standing
Mid-pack among MDW departures
From MDW, this corridor sits with 51 other 75–85% on-time routes out of 69 tracked departures, not the hub's reliability leaders (0 at ≥85%) and not the softest ( 18 below 75%). Destination: New Orleans · fleet on-time rank #3355 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to MDW–MSY.
Routes with a similar on-time rate
Routes of a similar trip length
What the Data Says About MDW to MSY
5,904 tracked flights put the MDW to MSY pairing (Chicago to New Orleans) at a 79.5% on-time rate, squarely in line with the wider network. Delays that do occur run 57.7 minutes on average. Across the 825-mile route and its 1 carrier, the trailing 24 months show 1.1% cancelled and 0.4% diverted (2,014 flights sampled).
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 97% on-time, while Jul 2025 came in at just 57% - a 40-point swing worth factoring into travel timing.
On the multi-year calendar, MDW–MSY peaks in November at 87.1% on-time while July carries the heaviest traffic (~100 flights per month) ; the softest month is July at 68.4%, a 18.7-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does MDW to MSY rank among US routes by traffic? ▼
How often are flights delayed from MDW to MSY? ▼
What is the cancellation rate for MDW to MSY? ▼
How far is the flight from MDW to MSY? ▼
When is the best time to fly from MDW to MSY? ▼
Airports on this route
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 MDW–MSY data
MDW–MSY is mid-pack at 79.5% on-time; month and carrier mix move more than the corridor headline.
- Compare MDW and MSY airport profiles: delay causes and top routes differ even on the same corridor. MDW airport
- If your dates flex, November (87.1% on-time) beats July (68.4%) on this corridor. Seasonal chart
- 4 other routes post a similar 79.5% 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.
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.