Route Reliability
New Orleans → Atlanta
MSY–ATL · 425 miles · Louis Armstrong New Orleans International Airport to Hartsfield–Jackson Atlanta International Airport
- 83%
- Arrive within 15 minutes
- 4 min
- Average arrival delay
- 1.6%
- Cancelled
- 4,097
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Delta Air Lines87%3,288 flights
- 2.Southwest Airlines73%368 flights
- 3.Spirit Airlines72%228 flights
- 4.Frontier Airlines56%211 flights
Not enough history to rank: American Airlines (2 flights). We rank airlines only after 100 flights on the route.
What the data says
Morning-you made the right choice.
MSY–ATL flights departing between 3–6 AM arrived on time 93% of the time, versus 74% between 3–6 PM.
Sunday scaries are real for this one.
MSY–ATL flights arrived on time 93% of the time on Wednesdays and just 75% on Sundays. That gap is worth planning around.
Delta Air Lines has a clear lead on this route.
Delta Air Lines arrived on time 87% of the time on this route; Frontier Airlines managed 56%.
Slipping a little lately.
MSY–ATL flights arrived on time 81% of the time over the last three months in the data, compared with 85% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon78%(615 flights)
- Tue86%(524 flights)
- Wed93%(527 flights)
- Thu85%(625 flights)
- Fri82%(611 flights)
- Sat84%(496 flights)
- Sun75%(623 flights)
- 3–6 AM93%(328 flights)
- 6–9 AM89%(780 flights)
- 9 AM–12 PM90%(850 flights)
- 12–3 PM80%(723 flights)
- 3–6 PM74%(1034 flights)
- 6–9 PM77%(282 flights)
- 9 PM–12 AM75%(24 flights)
Jun 71% → May 76% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 71% | 335 |
| July 2025 | 80% | 336 |
| August 2025 | 83% | 326 |
| September 2025 | 94% | 304 |
| October 2025 | 86% | 391 |
| November 2025 | 85% | 363 |
| December 2025 | 80% | 344 |
| January 2026 | 92% | 298 |
| February 2026 | 85% | 312 |
| March 2026 | 80% | 335 |
| April 2026 | 87% | 333 |
| May 2026 | 76% | 344 |
Keep nerding
Based on 4,097 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.