DL5103 JFK → BUF

Delta Air Lines · New York, NY to Buffalo, NY · 16 flights observed, 2025-12-20 to 2026-01-04 · 301 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -11 min, while the worst 10% run +73 min or later.

DL5103 covers more than one route in the data window — the stats below are for JFK → BUF, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
71%
Median delay
-11 min
90th percentile
+73 min
Cancellation rate
6%

How often is DL5103 on time?

Across 16 flights on JFK → BUF from 2025-12-20 to 2026-01-04, DL5103 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +73 min or later. 6% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1071%
16-30 min17%
31-60 min17%
61-120 min17%
2+ hrs17%

Performance by month

MonthFlightsOn-timeAvg delay
2025-121060%+26 min
2026-014100%-15 min

Performance by day of week

DayFlightsOn-time
Mon1100%
Tue250%
Wed1100%
Thu2100%
Fri250%
Sat333%
Sun3100%

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