Route · GPT → ATL · 2020–2025 BTS data
Gulfport/Biloxi to Atlanta
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), GPT to ATL (Gulfport/Biloxi to Atlanta) ranks #1648 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 89.3%
- On-time
- +10.3 pts
- vs US avg
- 99 min
- Delay when late
- 7,624
- Flights
- #1648 of 4927
- Corpus placement
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 |
GPT–ATL seasonal on-time pattern
Best: October (92.9%) · weakest: June (83.9%)
Strongest calendar month
October
92.9% on-time · ~110 flights/mo
Busiest calendar month
July
~113 flights/mo avg
Weakest calendar month
June
83.9% on-time · ~104 flights/mo
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.
GPT on-time profileATL - Atlanta
Full on-time, delay-cause, and seasonal performance for Atlanta, GA.
ATL on-time profileCompare the two airports
See GPT and ATL side by side on delays, cancellations, and reliability.
Compare GPT vs ATLOrigin-hub reliability standing
Among GPT's stronger departures
GPT → ATL posts a 89.3% on-time rate, landing in the ≥85% band with 3 of 4 BTS-tracked routes leaving Gulfport/Biloxi. The same hub also shows 1 mid-band and 0 challenged departures · fleet-wide on-time rank #209 of 4927 (highest on-time = #1).
Similar routes
Other BTS-tracked routes with comparable performance or trip length to GPT–ATL.
Routes with a similar on-time rate
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.
On the multi-year calendar, GPT–ATL peaks in October at 92.9% on-time while July carries the heaviest traffic (~113 flights per month) ; the softest month is June at 83.9%, a 9.0-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does GPT to ATL rank among US routes by traffic? ▼
How often are flights delayed from GPT to ATL? ▼
What is the cancellation rate for GPT to ATL? ▼
How far is the flight from GPT to ATL? ▼
When is the best time to fly from GPT to ATL? ▼
Airports on this route
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.
Using GPT–ATL data
GPT–ATL runs 10.3 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare GPT and ATL airport profiles: delay causes and top routes differ even on the same corridor. GPT airport
- If your dates flex, October (92.9% on-time) beats June (83.9%) on this corridor. Seasonal chart
- 4 other routes post a similar 89.3% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
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.