Route
ATL → SJU
Hartsfield Jackson Atlanta International Airport Luis Munoz Marin International Airport
How punctual is this route?
- On-time arrivals
- 71.6%
- Less than 15 minutes late
- Cancelled
- 1.3%
- Of scheduled flights
- Average delay when late
- 63 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,101
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 46%
- Late-arriving aircraft 30%
- Air traffic control & airport 23%
- Extreme weather 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 75.8% | 128 |
| October 2025 | 77.3% | 133 |
| November 2025 | 76.6% | 149 |
| December 2025 | 67.6% | 194 |
| January 2026 | 68.3% | 193 |
| February 2026 | 69.8% | 179 |
| March 2026 | 61.0% | 230 |
| April 2026 | 63.2% | 201 |
| May 2026 | 75.7% | 186 |
| June 2026 | 80.5% | 174 |
| July 2026 | 73.3% | 177 |
| August 2026 | 79.0% | 157 |
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 |
|---|---|---|---|---|
| Delta Air Lines | 1,638 | 76.9% | 0.9% | 59 min |
| Frontier Airlines | 387 | 56.5% | 1.8% | 71 min |
| NK | 76 | 30.0% | 7.9% | 63 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
In the news
More headlines →-
City Council backs $55 million in new Hartsfield-Jackson funding as construction projects multiply
The Business Journals ATL
-
Over 400 flights cancelled due to severe weather at Hartsfield-Jackson Atlanta International Airport, Georgia
The Watchers - Watching the world evolve and transform ATL
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Hartsfield-Jackson Atlanta International Airport
The Aviation Hub ATL
Headlines found by Google News; stories open on the publisher's site.
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