Philadelphia to Atlanta

What the Data Says About PHL to ATL

The Philadelphia to Atlanta corridor (PHL → ATL) covers roughly 666 miles and is served by 44 carriers, based on Bureau of Transportation Statistics reporting. Across 32,089 flights in the dataset, this route posts a 83.4% on-time rate with an average delay of 74.4 minutes when flights run late. Over the most recent 24 months of BTS data, 11,454 flights were recorded on this pairing — 176 cancelled (1.5%) and 26 diverted (0.2%). Those baseline metrics tell you what to expect before you book.

Having 44 carriers on the route matters: more carriers generally means more daily schedule options, competitive pricing, and redundancy when flights are cancelled. With 32,089 total flights analyzed, the 83.4% on-time figure is statistically meaningful rather than a small-sample fluke. The 74.4-minute average delay applies only to flights that actually ran late, so it is not the average wait across all departures — the majority of flights on this route depart on time under the BTS definition of a delay (15+ minutes past schedule).

Looking at recent months, Feb 2024 posted the best performance on this corridor at 89% on-time, while Jun 2025 came in at 67% on-time — a 21-point gap between best and worst recent month. For travelers evaluating the PHL to ATL route, the combination of a 83.4% on-time rate, 74.4-minute average delay, 1.5% recent cancellation rate, and 44 available carriers is the concrete summary of what BTS data shows about reliability on this pairing.