Route · GPT → ATL · 2020–2025 BTS data
Gulfport/Biloxi to Atlanta
The GPT–ATL corridor (Gulfport/Biloxi, MS → Atlanta, GA) runs ahead of the national average, served by 7 carriers across roughly 352 miles.
Data updated 2026-06-13
- 89.3%
- On-time
- +10.3 pts
- vs US avg
- 99 min
- Delay when late
- 7,624
- Flights
Cancelled
1.5%
Best Month
Oct 2024 97%
Worst Month
Jun 2025 74%
Distance
352 mi
Carriers
7
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 98 | 13 | 4 | 0 | DL |
| Nov 2025 | 106 | 16 | 3 | 0 | DL |
| Oct 2025 | 116 | 9 | 0 | 0 | DL |
| Sep 2025 | 107 | 11 | 0 | 0 | DL |
| Aug 2025 | 113 | 13 | 0 | 1 | DL |
| Jul 2025 | 116 | 9 | 0 | 0 | DL |
| Jun 2025 | 114 | 30 | 4 | 1 | DL |
| May 2025 | 118 | 24 | 0 | 0 | DL |
| Apr 2025 | 111 | 9 | 0 | 0 | DL |
| Mar 2025 | 108 | 19 | 1 | 0 | DL |
| Feb 2025 | 93 | 12 | 0 | 0 | DL |
| Jan 2025 | 91 | 5 | 11 | 0 | DL |
| Dec 2024 | 114 | 15 | 0 | 0 | 9E,DL |
| Nov 2024 | 104 | 5 | 0 | 0 | DL,9E |
| Oct 2024 | 115 | 3 | 0 | 0 | DL |
| Sep 2024 | 111 | 13 | 1 | 1 | DL |
| Aug 2024 | 116 | 8 | 0 | 0 | DL |
| Jul 2024 | 116 | 27 | 9 | 0 | DL |
| Jun 2024 | 109 | 17 | 0 | 0 | DL |
| May 2024 | 93 | 16 | 3 | 0 | DL |
| Apr 2024 | 90 | 8 | 0 | 0 | 9E,DL |
| Mar 2024 | 93 | 6 | 0 | 0 | DL |
| Feb 2024 | 87 | 7 | 0 | 0 | DL |
| Jan 2024 | 92 | 13 | 2 | 0 | 9E,DL |
Cancellation Rate
1.5%
38 of 2,531 flights
Diversion Rate
0.1%
3 of 2,531 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
GPT - Gulfport/Biloxi
Full on-time, delay-cause, and seasonal performance for Gulfport/Biloxi, MS.
Origin airport →ATL - Atlanta
Full on-time, delay-cause, and seasonal performance for Atlanta, GA.
Destination airport →Compare the two airports
See GPT 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 GPT–ATL.
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What the Data Says About GPT to ATL
Gulfport/Biloxi to Atlanta (GPT to ATL) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 89.3% on-time rate across 7,624 flights, with delays that do happen averaging 99.0 minutes. The corridor runs roughly 352 miles and is served by 7 carriers. Over the most recent 24 months, 38 of 2,531 flights were cancelled (1.5%) and 3 diverted (0.1%).
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 97% on-time, while Jun 2025 came in at just 74% - a 24-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.