ATL to MSY flight delays & on-time performance
Nonstop flights from Hartsfield Jackson Atlanta International Airport to Louis Armstrong New Orleans International Airport · 425 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at ATL or MSY right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Atlanta (ATL) to New Orleans (MSY) arrived on time 81% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 1.5% were cancelled, and 6% arrived an hour or more late.
- Delta Air Lines was the most punctual airline here (83% on time); Frontier Airlines was the least (61%).
- Departures scheduled around 7am did best (93% on time); around 9pm did worst (74%).
- Wednesday was the most reliable day to fly (90% on time) and Sunday the least (72%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (41%).
Which airline is most on time from ATL to MSY?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| American Airlines | 100% | 0.0% | 0 min | 0.0% | 3 |
| Delta Air Lines | 83% | 1.5% | 11 min | 5.6% | 3,278 |
| Spirit Airlines | 79% | 2.2% | 12 min | 7.5% | 137 |
| Southwest Airlines | 78% | 0.3% | 12 min | 4.6% | 354 |
| Frontier Airlines | 61% | 2.4% | 30 min | 15.8% | 253 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am93%196 flights
- 8am92%261 flights
- 9am91%242 flights
- 10am82%135 flights
- 11am88%351 flights
- 12pm87%132 flights
- 1pm84%321 flights
- 2pm77%215 flights
- 3pm76%575 flights
- 4pm79%191 flights
- 5pm77%400 flights
- 7pm74%366 flights
- 9pm74%191 flights
- 10pm79%242 flights
- 11pm77%150 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday80%1.8% cancelled
- Tuesday86%0.8% cancelled
- Wednesday90%0.4% cancelled
- Thursday84%0.5% cancelled
- Friday78%1.1% cancelled
- Saturday80%2.4% cancelled
- Sunday72%3.4% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)41%
- Late-arriving aircraft40%
- Air traffic control & airport congestion13%
- Extreme weather5%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)72%
- Extreme weather27%
- Air traffic control & airport congestion2%
- Security0%
ATL to MSY: common questions
- How often are ATL to MSY flights on time?
- 81% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Atlanta to New Orleans cancelled?
- 1.5% of scheduled flights were cancelled (60 of 4,025).
- How long are typical delays?
- Across all flights the average arrival delay was 12 min (early arrivals count as zero). Flights that were late arrived 59 min behind schedule on average, and 6.2% of flights were an hour or more late.
- How long is taxi time at ATL?
- Flights on this route spent 16 min taxiing from the gate to takeoff on average.
Related routes
Return trip: MSY to ATL — 82% on time
More flights from Atlanta
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: ATL → MSY, nonstop flights by US airlines that report to the DOT. How we calculate this.