Historical on-time performance
Atlanta to Gulfport
352 miData through May 2026Source: US DOT · BTS
Flights on ATL–GPT arrive on time 80% of the time over the last 12 months.
On-time rate80%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled1.7%of scheduled flights
based on 1,316 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesOn-time80%Medianon timep9040 minCancel1.7%Flights1,316
Why flights run late
Delay causes
- Airline53%
- Weather6%
- Air traffic (NAS)9%
- Late aircraft32%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline65%
- Weather35%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 23 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly ATL → GPT
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 89% on time.
- Mornings89% on time · p90 10 min · 1,035 flights
- Middays85% on time · p90 25 min · 644 flights
- Afternoons81% on time · p90 35 min · 801 flights
- Overnights79% on time · p90 40 min · 1,083 flights
- Evenings79% on time · p90 40 min · 258 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 77% to 86% on time.
- Tuesdays86% on time · p90 20 min · 547 flights
- Wednesdays86% on time · p90 25 min · 546 flights
- Saturdays84% on time · p90 20 min · 470 flights
- Mondays83% on time · p90 30 min · 568 flights
- Thursdays82% on time · p90 30 min · 565 flights
- Fridays82% on time · p90 30 min · 566 flights
- Sundays77% on time · p90 40 min · 559 flights
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