DL5615Delta Air Lines · SDF → BOS
live · 25m ago
Route confirmed Delta Air Lines

DL5615 LouisvilleSDF · 13:20 BostonBOS · 15:57

DL5615 by Delta Air Lines flies from Louisville (SDF) to Boston (BOS) for the Mon, Nov 2 departure.

Right nowEn route to Boston · off blocks 14:41 · 81 min late
16:48

estimated arrival at BOS · local time · ~74 min from now

En routeDL5615 · position estimated
SDFLouisvilleBOSBoston
Estimated from the boardsarr 16:48

Board estimate · gate and arrival times. Off blocks 14:41.

Typical gate push+15 minmedian posted departure
Typical arrival−18 minmedian over 4 operations
Wins back in air~33 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 4 operations · gate push → arrival
0+30+60+90 min
11-02
+81 gate · +51 arrival
11-01
+10 gate · −19 arrival
10-30
+20 gate · −18 arrival
10-29
+6 gate · −18 arrival

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The route today

live boards
SDFLouisvilleOn-time likelySDF delay board →
BOSBostonOn-time likelyBOS delay board →
SDF→BOSevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
36%Chance of 15+ min delay
2.4%Chance of cancellation
+5 minTypical airport delay in this weather

Conditions at SDF and BOS are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records under conditions like today's, over the last 90 days.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

Tomorrow at Louisville

Forecast

Tue 3 Nov, local date

High24°Clikely 22°C to 26°C
Low16°Clikely 13°C to 17°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

Tomorrow at Boston

Forecast

Tue 3 Nov, local date

High21°Clikely 19°C to 22°C
Low11°Clikely 9°C to 13°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Louisville to Boston flights today

same route · Delta Air Lines
DL202departs 14:09

If DL5615 is cancelled, this is the other Delta Air Lines nonstop flight from Louisville to Boston on the same day, with scheduled departure times in SDF local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How DL5615 actually runs

Pro Flight Search has tracked every published board update for DL5615 across the SDF and BOS boards: schedule changes, gate pushes and actual clocks. Usually lands ~18 min early. Based on 3 confirmed landings · 3/3 within 15 min of schedule. Pushes back late but makes up time in the air.

The verdict above is that record speaking, so it reflects how DL5615 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
11-02SDF 13:20 14:41 (+81)BOS 15:57 16:48 (+51)
11-01SDF 15:37 15:47 (+10)BOS 18:14 17:55 (−19)
10-30SDF 13:20 13:40 (+20)BOS 15:57 15:39 (−18)
10-29SDF 13:20 13:26 (+6)BOS 15:57 15:39 (−18)

Aircraft

Recent tails: N209JQ, N223JQ, N242JQ.

Board clocks recorded as SDF and BOS published them.

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search: DL5615 Louisville to Boston on-time performance, measured from the SDF and BOS airport boards.

Canonical URL
https://proflightsearch.com/flight/DL5615
How we measure this →