Route · SEA → MSY · 2020–2025 BTS data
Seattle to New Orleans
The SEA–MSY corridor (Seattle, WA → New Orleans, LA) runs ahead of the national average, served by 3 carriers across roughly 2,086 miles.
Data updated 2026-06-13
- 80.4%
- On-time
- +1.4 pts
- vs US avg
- 46 min
- Delay when late
- 2,982
- Flights
Cancelled
0.7%
Best Month
Feb 2024 91%
Worst Month
Jul 2025 57%
Distance
2,086 mi
Carriers
3
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 54 | 17 | 0 | 0 | AS |
| Nov 2025 | 59 | 14 | 0 | 0 | AS |
| Oct 2025 | 54 | 8 | 0 | 0 | AS |
| Sep 2025 | 47 | 4 | 1 | 1 | DL,AS |
| Aug 2025 | 57 | 15 | 0 | 0 | AS |
| Jul 2025 | 61 | 26 | 0 | 0 | AS |
| Jun 2025 | 60 | 25 | 1 | 2 | AS |
| May 2025 | 62 | 12 | 0 | 0 | AS |
| Apr 2025 | 60 | 21 | 0 | 0 | AS |
| Mar 2025 | 47 | 8 | 0 | 0 | AS,DL |
| Feb 2025 | 43 | 10 | 0 | 0 | AS,DL |
| Jan 2025 | 62 | 9 | 5 | 0 | AS |
| Dec 2024 | 55 | 12 | 0 | 0 | AS |
| Nov 2024 | 56 | 6 | 0 | 0 | AS |
| Oct 2024 | 54 | 5 | 0 | 0 | AS |
| Sep 2024 | 48 | 9 | 1 | 0 | AS |
| Aug 2024 | 56 | 13 | 1 | 0 | AS |
| Jul 2024 | 62 | 26 | 0 | 0 | AS |
| Jun 2024 | 60 | 18 | 0 | 0 | AS |
| May 2024 | 62 | 12 | 0 | 0 | AS |
| Apr 2024 | 60 | 12 | 0 | 0 | AS |
| Mar 2024 | 62 | 14 | 0 | 0 | AS |
| Feb 2024 | 58 | 5 | 0 | 0 | AS |
| Jan 2024 | 68 | 21 | 1 | 0 | AS |
Cancellation Rate
0.7%
10 of 1,367 flights
Diversion Rate
0.2%
3 of 1,367 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SEA - Seattle
Full on-time, delay-cause, and seasonal performance for Seattle, WA.
Origin airport →MSY - New Orleans
Full on-time, delay-cause, and seasonal performance for New Orleans, LA.
Destination airport →Compare the two airports
See SEA and MSY side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to SEA–MSY.
Routes with a similar on-time rate
What the Data Says About SEA to MSY
2,982 tracked flights put the SEA to MSY pairing (Seattle to New Orleans) at a 80.4% on-time rate, squarely in line with the wider network. Delays that do occur run 46.3 minutes on average. Across the 2,086-mile route and its 3 carriers, the trailing 24 months show 0.7% cancelled and 0.2% diverted (1,367 flights sampled).
The monthly split is wide on this route: Feb 2024 posted the strongest performance at 91% on-time, while Jul 2025 came in at just 57% - a 34-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from SEA to MSY? ▼
What is the cancellation rate for SEA to MSY? ▼
How far is the flight from SEA to MSY? ▼
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Flight Guides
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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.
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.