DL9964Delta Air Lines · BOS → SLC
live · 36m ago
Route confirmed Delta Air Lines

DL9964 BostonBOS · 15:00 SLCSLC

DL9964 by Delta Air Lines flies from Boston (BOS) to SLC (SLC).

Same number through BOS → ATL → SEA → SLC

Right nowNext departure today Operates daily
18:55

scheduled from BOS

The route today

live boards
BOSBostonHigh riskBOS delay board →
SLCSLCOn-time likelySLC delay board →
BOS→SLCevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
42%Chance of 15+ min delay
4.3%Chance of cancellation
+16 minTypical airport delay in this weather

Driven mainly by BOS (Boston), currently flying MVFR (marginal visual). 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 Boston

Forecast

Sat 14 Nov, local date

High8°Clikely 6°C to 9°C
Low3°Clikely 1°C to 4°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 Atlanta

Forecast

Sat 14 Nov, local date

High12°Clikely 10°C to 15°C
Low3°Clikely 1°C to 4°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 Boston to SLC flights today

same route · Delta Air Lines
DL2242departs 05:30
DL695departs 06:45
DL923departs 08:00
DL456departs 09:05
DL1474departs 10:15
DL2779departs 12:20

If DL9964 is cancelled, these are the other Delta Air Lines nonstop flights from Boston to SLC on the same day, with scheduled departure times in BOS 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 DL9964 actually runs

Pro Flight Search has tracked every published board update for DL9964 across the BOS and SLC boards: schedule changes, gate pushes and actual clocks. Combined risk score: 50.0/100. Based on airport operations, weather, and cached board history at BOS and SLC.

The verdict above is that record speaking, so it reflects how DL9964 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
11-10CANCELLED

Board clocks recorded as BOS and SLC published them.

Planning around DL9964? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

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: DL9964 Boston to SLC on-time performance, measured from the BOS and SLC airport boards.

Canonical URL
https://proflightsearch.com/flight/DL9964
How we measure this →