Route
SAT → MSY
San Antonio International Airport Louis Armstrong New Orleans International Airport
495 miles
Return route MSY → SAT →
How punctual is this route?
- On-time arrivals
- 83.8%
- Less than 15 minutes late
- Cancelled
- 0.3%
- Of scheduled flights
- Average delay when late
- 47 min
- Flights arriving 15+ minutes late
- Flights tracked
- 341
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 64%
- Airline (crew, maintenance, cleaning) 26%
- Air traffic control & airport 10%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 85.7% | 21 |
| October 2025 | 86.7% | 30 |
| November 2025 | 83.3% | 30 |
| December 2025 | 80.6% | 31 |
| January 2026 | 86.7% | 31 |
| February 2026 | 94.3% | 35 |
| March 2026 | 68.8% | 32 |
| April 2026 | 90.0% | 30 |
| May 2026 | 90.0% | 30 |
| June 2026 | 92.3% | 26 |
| July 2026 | 66.7% | 27 |
| August 2026 | 77.8% | 18 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Southwest Airlines | 341 | 83.8% | 0.3% | 47 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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