Route · MDT → ATL · 2020–2025 BTS data
Harrisburg to Atlanta
The MDT–ATL corridor (Harrisburg, PA → Atlanta, GA) runs ahead of the national average, served by 8 carriers across roughly 620 miles.
Data updated 2026-06-13
- 88%
- On-time
- +9 pts
- vs US avg
- 83 min
- Delay when late
- 5,387
- Flights
Cancelled
1.0%
Best Month
Oct 2024 95%
Worst Month
Jan 2025 68%
Distance
620 mi
Carriers
8
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 56 | 12 | 0 | 0 | DL |
| Nov 2025 | 83 | 10 | 1 | 0 | DL |
| Oct 2025 | 88 | 17 | 0 | 0 | DL |
| Sep 2025 | 81 | 6 | 0 | 0 | DL |
| Aug 2025 | 84 | 9 | 2 | 1 | DL |
| Jul 2025 | 88 | 16 | 0 | 0 | DL |
| Jun 2025 | 85 | 18 | 2 | 2 | OO,DL |
| May 2025 | 87 | 12 | 1 | 0 | OO,DL |
| Apr 2025 | 86 | 11 | 0 | 1 | DL |
| Mar 2025 | 86 | 7 | 0 | 0 | DL |
| Feb 2025 | 77 | 22 | 0 | 0 | DL |
| Jan 2025 | 59 | 19 | 4 | 0 | DL |
| Dec 2024 | 88 | 20 | 0 | 0 | 9E,DL |
| Nov 2024 | 82 | 9 | 0 | 0 | DL,9E |
| Oct 2024 | 84 | 4 | 0 | 0 | DL |
| Sep 2024 | 81 | 8 | 0 | 0 | DL |
| Aug 2024 | 85 | 9 | 0 | 0 | DL |
| Jul 2024 | 85 | 18 | 5 | 1 | DL |
| Jun 2024 | 84 | 7 | 0 | 0 | DL |
| May 2024 | 88 | 15 | 1 | 1 | 9E,DL |
| Apr 2024 | 86 | 7 | 0 | 1 | 9E,DL |
| Mar 2024 | 88 | 7 | 0 | 0 | 9E,DL |
| Feb 2024 | 70 | 6 | 1 | 0 | 9E |
| Jan 2024 | 75 | 13 | 2 | 1 | 9E,DL |
Cancellation Rate
1.0%
19 of 1,956 flights
Diversion Rate
0.4%
8 of 1,956 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
MDT - Harrisburg
Full on-time, delay-cause, and seasonal performance for Harrisburg, PA.
Origin airport →ATL - Atlanta
Full on-time, delay-cause, and seasonal performance for Atlanta, GA.
Destination airport →Compare the two airports
See MDT and ATL side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to MDT–ATL.
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What the Data Says About MDT to ATL
Harrisburg to Atlanta (MDT to ATL) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 88% on-time rate across 5,387 flights, with delays that do happen averaging 83.3 minutes. The corridor runs roughly 620 miles and is served by 8 carriers. Over the most recent 24 months, 19 of 1,956 flights were cancelled (1.0%) and 8 diverted (0.4%).
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 95% on-time, while Jan 2025 came in at just 68% - a 27-point swing worth factoring into travel timing.
Frequently Asked Questions
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Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.