Birmingham to Atlanta

What the Data Says About BHM to ATL

The Birmingham to Atlanta corridor (BHM → ATL) covers roughly 134 miles and is served by 3 carriers, based on Bureau of Transportation Statistics reporting. Across 16,512 flights in the dataset, this route posts a 90.7% on-time rate with an average delay of 85.8 minutes when flights run late. Over the most recent 24 months of BTS data, 6,040 flights were recorded on this pairing — 73 cancelled (1.2%) and 4 diverted (0.1%). Those baseline metrics tell you what to expect before you book.

Having 3 carriers on the route matters: more carriers generally means more daily schedule options, competitive pricing, and redundancy when flights are cancelled. With 16,512 total flights analyzed, the 90.7% on-time figure is statistically meaningful rather than a small-sample fluke. The 85.8-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, Sep 2025 posted the best performance on this corridor at 95% on-time, while Jul 2024 came in at 75% on-time — a 20-point gap between best and worst recent month. For travelers evaluating the BHM to ATL route, the combination of a 90.7% on-time rate, 85.8-minute average delay, 1.2% recent cancellation rate, and 3 available carriers is the concrete summary of what BTS data shows about reliability on this pairing.