Delta Air Lines SJU to ATL on-time performance
Delta Air Lines nonstop flights from San Juan to Atlanta · Aug 2025 – Jul 2026
On-time arrivals
91%
arrived < 15 min late
Cancelled
0.9%
15 flights
Avg arrival delay
8 min
78 min when late
Rank on route
#1 of 3
route average 81% on time
Key facts
- Delta Air Lines flights on SJU to ATL arrived on time 91% of the time in Aug 2025 – Jul 2026.
- 0.9% were cancelled, and 3% arrived an hour or more late.
- That ranks #1 of 3 airlines on this route, which averaged 81% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (50%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)50%
- Late-arriving aircraft39%
- Air traffic control & airport congestion10%
- Extreme weather1%
- Security0%
Other airlines on SJU to ATL
- Frontier Airlines54% on time · 42 min avg delay
- Spirit Airlines22% on time · 51 min avg delay
Full SJU to ATL comparison →
Delta Air Lines on-time record across all routes →
1,627 Delta Air Lines flights tracked on this route; 15 cancelled, 10 diverted.
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.