Route
SJU → AUS
Luis Munoz Marin International Airport Austin Bergstrom International Airport
2,146 miles
Return route AUS → SJU →
How punctual is this route?
- On-time arrivals
- 54.5%
- Less than 15 minutes late
- Cancelled
- 2.9%
- Of scheduled flights
- Average delay when late
- 40 min
- Flights arriving 15+ minutes late
- Flights tracked
- 34
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 64%
- Airline (crew, maintenance, cleaning) 25%
- Air traffic control & airport 11%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Nov 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| November 2025 | 50.0% | 4 |
| December 2025 | 100.0% | 4 |
| February 2026 | 66.7% | 3 |
| March 2026 | 25.0% | 4 |
| April 2026 | 50.0% | 4 |
| May 2026 | 40.0% | 5 |
| June 2026 | 50.0% | 4 |
| July 2026 | 75.0% | 4 |
| August 2026 | 0.0% | 1 |
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 | 34 | 54.5% | 2.9% | 40 min |
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