Route Reliability
Atlanta → New Orleans
ATL–MSY · 425 miles · Hartsfield–Jackson Atlanta International Airport to Louis Armstrong New Orleans International Airport
- 80%
- Arrive within 15 minutes
- 6 min
- Average arrival delay
- 1.6%
- Cancelled
- 4,094
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Delta Air Lines82%3,286 flights
- 2.Southwest Airlines79%370 flights
- 3.Spirit Airlines74%225 flights
- 4.Frontier Airlines64%210 flights
Not enough history to rank: American Airlines (3 flights). We rank airlines only after 100 flights on the route.
What the data says
Morning-you made the right choice.
ATL–MSY flights departing between 6–9 AM arrived on time 92% of the time, versus 69% between 6–9 PM.
Sunday scaries are real for this one.
ATL–MSY flights arrived on time 89% of the time on Wednesdays and just 74% on Sundays. That gap is worth planning around.
Delta Air Lines has a clear lead on this route.
Delta Air Lines arrived on time 82% of the time on this route; Frontier Airlines managed 64%.
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
- Mon79%(612 flights)
- Tue84%(526 flights)
- Wed89%(535 flights)
- Thu82%(618 flights)
- Fri78%(612 flights)
- Sat80%(495 flights)
- Sun74%(626 flights)
- 6–9 AM92%(430 flights)
- 9 AM–12 PM86%(748 flights)
- 12–3 PM84%(657 flights)
- 3–6 PM78%(1148 flights)
- 6–9 PM69%(450 flights)
- 9 PM–12 AM75%(591 flights)
Jun 65% → May 77% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 65% | 333 |
| July 2025 | 71% | 336 |
| August 2025 | 78% | 329 |
| September 2025 | 90% | 304 |
| October 2025 | 84% | 392 |
| November 2025 | 88% | 363 |
| December 2025 | 79% | 346 |
| January 2026 | 82% | 295 |
| February 2026 | 86% | 313 |
| March 2026 | 80% | 335 |
| April 2026 | 86% | 333 |
| May 2026 | 77% | 345 |
Keep nerding
Based on 4,094 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.