AA3999 GCK → DFW

American Airlines · Garden City, KS to Dallas/Fort Worth, TX · 165 flights observed, 2025-07-01 to 2026-06-30 · 404 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -5 min, while the worst 10% run +73 min or later.

AA3999 covers more than one route in the data window — the stats below are for GCK → DFW, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
78%
Median delay
-5 min
90th percentile
+73 min
Cancellation rate
1%

How often is AA3999 on time?

Across 165 flights on GCK → DFW from 2025-07-01 to 2026-06-30, AA3999 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +73 min or later. 1% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time12578%
16-30 min85%
31-60 min106%
61-120 min96%
2+ hrs85%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073168%+8 min
2025-083174%+27 min
2025-092893%-4 min
2025-103080%+7 min
2025-111100%-4 min
2026-051060%+54 min
2026-062983%+11 min

Performance by day of week

DayFlightsOn-time
Mon2273%
Tue2383%
Wed2374%
Thu2496%
Fri2370%
Sat2378%
Sun2273%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…