Gulfport-Biloxi International (GPT) Delays and On-Time Departures
Gulfport/Biloxi, MS · ranked 46th of 333 airports for on-time departures
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, Gulfport/Biloxi (GPT) had 3,006 scheduled departures and 85.1% of them left on time (US average 77.4%).
That ranks 46th of 333 US airports tracked on this site, with 2.5% of departures cancelled.
Delta Air Lines was the most punctual airline here, with 85.9% of departures on time.
October has been the best month (89% on time) and Sunday the weakest day of the week (81%).
Best time of day to fly out of Gulfport/Biloxi (GPT)
On-time departure % by scheduled departure hour (local time), last 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 89.8% | 2.8% | 668 |
| 6am–7am | 93.7% | 2.5% | 1,124 |
| 7am–8am | 89.9% | 3.0% | 295 |
| 8am–9am | Limited data | 26 | |
| 9am–10am | 94.5% | 1.4% | 147 |
| 10am–11am | 88.8% | 2.0% | 785 |
| 11am–12pm | 79.9% | 2.9% | 312 |
| 12pm–1pm | 85.8% | 3.2% | 441 |
| 1pm–2pm | 79.8% | 0.9% | 315 |
| 2pm–3pm | 82.7% | 0.3% | 307 |
| 3pm–4pm | 87.0% | 2.9% | 103 |
| 4pm–5pm | 73.4% | 1.1% | 285 |
| 5pm–6pm | 78.5% | 3.9% | 440 |
| 6pm–7pm | 76.5% | 3.6% | 720 |
| 7pm–8pm | 76.7% | 4.8% | 504 |
Airlines at GPT ranked by on-time departures
Last 12 months. Airlines with fewer than 30 departures are marked “limited data”.
| Airline | On-time departures | On-time arrivals | Cancelled | Departures |
|---|---|---|---|---|
| Delta Air Lines | 85.9% | 87.3% | 1.6% | 1,317 |
| Envoy Air | 84.6% | 84.8% | 2.4% | 765 |
| PSA Airlines | 84.4% | 83.6% | 4.0% | 924 |
80%+ good 70–79.9% fair <70% poor
Best day to fly out of GPT
On-time departures by day, 24 months.
Best month to fly out of GPT
On-time departures by month, 24 months.
Holiday travel at Gulfport/Biloxi (GPT)
On-time departures during holiday periods compared with all other days, last 24 months.
| Period | On-time departures | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 83.6% | -1.9 pts | 0.0% | 116 |
| Christmas & New Year (Dec 20 - Jan 3) | 82.2% | -3.3 pts | 1.3% | 239 |
| Summer peak (Jun 15 - Aug 15) | 82.7% | -2.9 pts | 2.5% | 1,099 |
| All other days | 85.5% | — | 2.9% | 5,018 |
Monthly on-time departure trend at GPT
On-time departure % each month, with the 12-month US average for reference.
Routes from Gulfport/Biloxi (GPT)
Every route from GPT with its own page, by number of flights (last 12 months, on-time arrivals).
| To | On time | Cancelled | Flights |
|---|---|---|---|
| GPT → Atlanta (ATL) | 87.3% | 1.6% | 1,317 |
| GPT → Dallas/Fort Worth (DFW) | 84.1% | 3.3% | 1,074 |
| GPT → Charlotte (CLT) | 84.3% | 3.2% | 615 |