Historical on-time performance
Chicago to New Orleans
825 miData through Dec 2025Source: US DOT · BTS
Flights on MDW–MSY arrive on time 75% of the time over the last 12 months.
On-time rate75%arrived within 15 min
p90 delay45 min1 in 10 flights is worse (tail risk)
Cancelled1.0%of scheduled flights
based on 1,017 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time75%Medianon timep9045 minCancel1.0%Flights1,017
Why flights run late
Delay causes
- Airline29%
- Weather1%
- Air traffic (NAS)13%
- Late aircraft57%
- Security1%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly MDW → MSY
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 63% to 87% on time.
- Mornings87% on time · p90 15 min · 1,059 flights
- Middays84% on time · p90 25 min · 378 flights
- Evenings71% on time · p90 50 min · 253 flights
- Afternoons71% on time · p90 40 min · 530 flights
- Overnights63% on time · p90 75 min · 817 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 71% to 82% on time.
- Tuesdays82% on time · p90 30 min · 397 flights
- Saturdays79% on time · p90 30 min · 381 flights
- Wednesdays78% on time · p90 35 min · 395 flights
- Mondays77% on time · p90 35 min · 438 flights
- Sundays74% on time · p90 50 min · 552 flights
- Fridays74% on time · p90 35 min · 443 flights
- Thursdays71% on time · p90 40 min · 431 flights
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