Louis Armstrong New Orleans International Airport (MSY) delays & on-time performance
New Orleans, Louisiana · 47 nonstop destinations · 13 airlines · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at MSY right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
On-time arrivals
78%
arrived < 15 min late
Cancelled
1.5%
733 flights
Avg arrival delay
17 min
72 min when late
Departed on time
77%
avg taxi-out 14 min
Figures cover 49,152 departures from MSY; on-time is measured at arrival. Arrivals into MSY were on time 77% of the time.
Key facts
- Flights departing Louis Armstrong New Orleans International Airport (MSY) arrived on time 78% of the time in Aug 2025 – Jul 2026, in line with the national average.
- 1.5% were cancelled, and 8% arrived an hour or more late.
- United Airlines was the most punctual airline here (84% on time); Southwest Airlines was the least (76%).
- Departures scheduled around 5am did best (92% on time); around 6pm did worst (63%).
- The largest source of delay minutes was late-arriving aircraft (45%).
Most delayed routes from MSY
Lowest on-time arrival rates among regularly flown routes.
- BOS · Boston63%853 flts
- DCA · Washington71%1,948 flts
- LGA · New York71%1,420 flts
- SEA · Seattle72%626 flts
- DFW · Dallas/Fort Worth73%2,808 flts
- FLL · Fort Lauderdale74%1,412 flts
- MDW · Chicago75%1,014 flts
- SFO · San Francisco76%524 flts
- HOU · Houston76%2,297 flts
- DAL · Dallas77%2,287 flts
Most reliable routes from MSY
Highest on-time arrival rates among regularly flown routes.
- IAD · Washington92%631 flts
- SLC · Salt Lake City91%455 flts
- EWR · Newark85%1,228 flts
- MSP · Minneapolis83%440 flts
- DTW · Detroit83%810 flts
- IAH · Houston83%2,929 flts
- ATL · Atlanta82%4,028 flts
- CLT · Charlotte82%1,712 flts
- STL · St. Louis82%732 flts
- BWI · Baltimore81%1,157 flts
Best airline at MSY
Departures from this airport, ranked by on-time arrival.
| Airline | On time | Cancelled | Avg delay | Routes | Flights |
|---|---|---|---|---|---|
| United Airlines | 84% | 0.7% | 12 min | 6 | 6,807 |
| Delta Air Lines | 84% | 2.2% | 13 min | 10 | 7,569 |
| Republic Airways | 82% | 3.2% | 13 min | 7 | 824 |
| Envoy Air | 79% | 1.8% | 14 min | 5 | 792 |
| SkyWest Airlines | 78% | 0.7% | 18 min | 3 | 577 |
| Allegiant Air | 78% | 2.0% | 21 min | 2 | 101 |
| Spirit Airlines | 77% | 2.8% | 18 min | 17 | 2,614 |
| American Airlines | 77% | 2.1% | 25 min | 13 | 7,504 |
| Southwest Airlines | 76% | 0.6% | 14 min | 27 | 18,308 |
| Alaska Airlines | 74% | 1.0% | 15 min | 2 | 736 |
| PSA Airlines | 73% | 5.7% | 34 min | 4 | 913 |
| JetBlue | 68% | 3.0% | 29 min | 3 | 1,373 |
| Frontier Airlines | 68% | 2.2% | 30 min | 22 | 1,034 |
Best time to fly out of MSY
On-time arrival rate by scheduled departure hour (local time).
- 5am92%2,736 flts
- 6am91%4,176 flts
- 7am87%3,977 flts
- 8am89%1,903 flts
- 9am87%2,960 flts
- 10am86%3,446 flts
- 11am82%3,347 flts
- 12pm78%2,594 flts
- 1pm79%1,965 flts
- 2pm73%4,022 flts
- 3pm72%3,480 flts
- 4pm70%2,791 flts
- 5pm66%3,774 flts
- 6pm63%3,234 flts
- 7pm69%2,793 flts
- 8pm69%1,137 flts
- 9pm68%678 flts
Monthly trend
Why departures were late
- Late-arriving aircraft45%
- Airline (crew, maintenance, cleaning, fueling)29%
- Air traffic control & airport congestion21%
- Extreme weather5%
- Security0%
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.