Historical on-time performance
Houston to New Orleans
Flights on IAH–MSY arrive on time 82% of the time over the last 12 months.
based on 2,880 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Not enough comparable data to name a most-on-time carrier — low-data carriers aren't ranked.
- Spirit AirlinesOn-time88%Medianon timep9025 minCancel0.0%Flights82
- United AirlinesOn-time82%Medianon timep9040 minCancel0.4%Flights2,798
Why flights run late
Delay causes
- Airline37%
- Weather7%
- Air traffic (NAS)11%
- Late aircraft45%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline33%
- Weather67%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 12 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 IAH → MSY
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 87% on time.
- Mornings87% on time · p90 15 min · 2,184 flights
- Middays83% on time · p90 30 min · 1,126 flights
- Overnights76% on time · p90 50 min · 2,229 flights
- Afternoons75% on time · p90 50 min · 2,154 flights
- Evenings71% on time · p90 65 min · 1,226 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 76% to 82% on time.
- Wednesdays82% on time · p90 35 min · 1,273 flights
- Tuesdays81% on time · p90 40 min · 1,251 flights
- Mondays79% on time · p90 40 min · 1,365 flights
- Sundays79% on time · p90 40 min · 1,266 flights
- Saturdays78% on time · p90 40 min · 1,062 flights
- Thursdays77% on time · p90 45 min · 1,347 flights
- Fridays76% on time · p90 50 min · 1,357 flights
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