Airport reliability
Gulfport/Biloxi (GPT) on-time performance
How reliably flights leave Gulfport/Biloxi, MS (GPT) and reach their destinations, by airline, departure hour and month, September 2025 to August 2026.
Gulfport/Biloxi, MS2,978 departures in 12 months
- Departures on time
- 83.4% U.S. average 75.6%
- Cancelled
- 2.5% U.S. average 1.9%
- 60+ minutes late
- 6.3% U.S. average 8.1%
- Scheduled departures
- 2,978 12 months
What this means
GPT departures beat the U.S. average.
- 83.4% of the 2,978 scheduled departures from Gulfport/Biloxi (GPT) arrived at their destination on time, 7.8 points higher than the U.S. average of 75.6%.
- 2.5% of departures were cancelled (U.S. average 1.9%), and 6.3% arrived an hour or more late.
- Flights arriving at GPT were on time 78.9% of the time.
- Among airlines with at least 300 departures, Delta Air Lines was the most punctual from GPT (85.2%) and PSA Airlines the least (80.4%).
- Over the last 3 years, October was the most reliable month for departures from GPT (89.6% on time) and May the least reliable (76.4%).
- Cancellations peaked in January, when 8.6% of flights were cancelled.
- Flights scheduled to depart 6 am to 7 am were the most punctual (90.3% on time); flights scheduled to depart 4 pm to 5 pm were the least (72.2%).
Airlines at GPT
Ranked by on-time arrival
| Airline | On time | Cancelled | 60+ min late | Avg delay when late | Departures |
|---|---|---|---|---|---|
| Delta Air Lines | 85.2% | 1.6% | 6.2% | 98 min | 1,322 |
| Envoy AirSold as American Eagle | 83.7% | 2.2% | 4.6% | 86 min | 766 |
| PSA AirlinesSold as American Eagle | 80.4% | 3.9% | 8.1% | 107 min | 890 |
Tap a heading to sort.
On-time rate by departure hour
Share of scheduled flights on time GPT average 83.4%
Show as table
| Period | On time | Flights |
|---|---|---|
| Departing before 6 am | 84.1% | 365 |
| Departing 6 am to 7 am | 90.3% | 494 |
| Departing 7 am to 8 am | 84.5% | 129 |
| Departing 8 am to 9 am | Insufficient sample | 24 |
| Departing 9 am to 10 am | Insufficient sample | 37 |
| Departing 10 am to 11 am | 87.5% | 351 |
| Departing 11 am to noon | 82.9% | 164 |
| Departing noon to 1 pm | 89.9% | 79 |
| Departing 1 pm to 2 pm | 80.7% | 197 |
| Departing 2 pm to 3 pm | 88.4% | 190 |
| Departing 3 pm to 4 pm | 85.5% | 69 |
| Departing 4 pm to 5 pm | 72.2% | 108 |
| Departing 5 pm to 6 pm | 76.2% | 239 |
| Departing 6 pm to 7 pm | 77.0% | 339 |
| Departing 7 pm to 8 pm | 73.6% | 193 |
Best and worst months at GPT
Share of scheduled flights on time 12-month average 83.4%
Show as table
| Period | On time | Flights |
|---|---|---|
| January | 77.8% | 748 |
| February | 86.4% | 704 |
| March | 81.1% | 795 |
| April | 85.5% | 813 |
| May | 76.4% | 860 |
| June | 77.7% | 821 |
| July | 78.6% | 833 |
| August | 83.9% | 864 |
| September | 85.3% | 829 |
| October | 89.6% | 837 |
| November | 86.5% | 754 |
| December | 81.2% | 775 |
Month by month, last 12 months
Share of scheduled flights on time U.S. average 75.6%
Show as table
| Period | On time | Flights |
|---|---|---|
| Sep 2025 | 90.9% | 287 |
| Oct 2025 | 85.0% | 274 |
| Nov 2025 | 81.1% | 249 |
| Dec 2025 | 81.3% | 246 |
| Jan 2026 | 77.4% | 235 |
| Feb 2026 | 88.3% | 205 |
| Mar 2026 | 81.0% | 221 |
| Apr 2026 | 88.9% | 252 |
| May 2026 | 80.2% | 273 |
| Jun 2026 | 83.3% | 234 |
| Jul 2026 | 77.3% | 233 |
| Aug 2026 | 84.4% | 269 |
Busiest routes from GPT
| To | On time | Cancelled | Airlines | Flights |
|---|---|---|---|---|
| Atlanta (ATL) | 85.2% | 1.6% | 1 | 1,322 |
| Dallas/Fort Worth (DFW) | 81.9% | 3.1% | 2 | 1,074 |
| Charlotte (CLT) | 82.0% | 3.3% | 1 | 582 |

Sources & data dates
- Source
- U.S. DOT Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987-present)
- Period
- September 2025 to August 2026 (12 months); month-of-year patterns September 2023 to August 2026
- Data through
- August 2026
- Processed
- 2026-11-03
- Scope
- Scheduled nonstop domestic departures from Gulfport/Biloxi, MS (GPT) by airlines that report to the DOT.
- Method
- Rates use all scheduled flights as the denominator; cancelled and diverted flights count as not on time. Figures based on fewer than 50 scheduled flights are suppressed. Full methodology.