Delta Air Lines PHL to ATL on-time performance
Delta Air Lines nonstop flights from Philadelphia to Atlanta · Aug 2025 – Jul 2026
On-time arrivals
84%
arrived < 15 min late
Cancelled
3.0%
91 flights
Avg arrival delay
11 min
69 min when late
Rank on route
#2 of 6
route average 79% on time
Key facts
- Delta Air Lines flights on PHL to ATL arrived on time 84% of the time in Aug 2025 – Jul 2026.
- 3% were cancelled, and 6% arrived an hour or more late.
- That ranks #2 of 6 airlines on this route, which averaged 79% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (40%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)40%
- Late-arriving aircraft34%
- Air traffic control & airport congestion23%
- Extreme weather3%
- Security0%
Other airlines on PHL to ATL
- Frontier Airlines66% on time · 25 min avg delay
- PSA Airlines82% on time · 13 min avg delay
- American Airlines69% on time · 21 min avg delay
- Republic Airways88% on time · 12 min avg delay
- Spirit Airlines68% on time · 18 min avg delay
Full PHL to ATL comparison →
Delta Air Lines on-time record across all routes →
3,017 Delta Air Lines flights tracked on this route; 91 cancelled, 9 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.