Historical on-time performance
Seattle to New Orleans
2,086 miData through May 2026Source: US DOT · BTS
Flights on SEA–MSY arrive on time 75% of the time over the last 12 months.
On-time rate75%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled0.5%of scheduled flights
based on 594 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Alaska AirlinesOn-time75%Medianon timep9030 minCancel0.5%Flights594
Why flights run late
Delay causes
- Airline49%
- Weather0%
- Air traffic (NAS)21%
- Late aircraft29%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline67%
- Weather33%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 3 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly SEA → MSY
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 75% to 80% on time.
- Overnights80% on time · p90 25 min · 816 flights
- Mornings77% on time · p90 35 min · 251 flights
- Middays75% on time · p90 30 min · 871 flights
Best day of week
Tuesdays are the most reliable day to fly this route — 86% on time.
- Tuesdays86% on time · p90 15 min · 265 flights
- Saturdays78% on time · p90 30 min · 271 flights
- Mondays78% on time · p90 35 min · 289 flights
- Fridays77% on time · p90 30 min · 304 flights
- Wednesdays77% on time · p90 30 min · 281 flights
- Sundays76% on time · p90 25 min · 302 flights
- Thursdays75% on time · p90 25 min · 299 flights
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