DL5815 LGA → PWM

Delta Air Lines · New York, NY to Portland, ME · 31 flights observed, 2026-05-07 to 2026-06-06 · 269 mi

This flight has been getting less reliable recently — 2026-06's on-time rate (50%) is well below the 88% average from earlier months.

DL5815 covers more than one route in the data window — the stats below are for LGA → PWM, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
81%
Median delay
-10 min
90th percentile
+46 min
Cancellation rate
0%

How often is DL5815 on time?

Across 31 flights on LGA → PWM from 2026-05-07 to 2026-06-06, DL5815 arrived within 15 minutes of schedule 81% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +46 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2581%
16-30 min26%
31-60 min13%
61-120 min310%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-052588%-6 min
2026-06650%+19 min

Performance by day of week

DayFlightsOn-time
Mon4100%
Tue450%
Wed450%
Thu5100%
Fri580%
Sat580%
Sun4100%

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