78% of SEA → MSY flights arrived on time in June-August 2026 (160 flights). The most reliable was AS 490, on time 80% of the time on this route. Seattle (SEA): no delay reported. New Orleans (MSY): no delay reported.
Best time of day to fly SEA → MSY
| Morning (before noon) | |
| Evening (after 5 PM) |
Flights SEA → MSY, most reliable first
| Flight | Departs | On time on this route | Cancelled |
|---|---|---|---|
| AS 490 Alaska Airlines | 11:13 PM | 0% | |
| AS 568 Alaska Airlines | 9:37 AM | 0% |
SEA conditions · MSY conditions · MSY → SEA · Cancellations
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From BTS on-time data, June-August 2026; flights with 20+ trips on this route. On-time rates cover each flight number's whole day, which can include other legs. Departure times are local.