DL4148Delta Air Lines · LAX → BOI
live · 1h ago
Route confirmed Delta Air Lines

DL4148 Los AngelesLAX · 19:59 BoiseBOI · 22:59

DL4148 by Delta Air Lines flies from Los Angeles (LAX) to Boise (BOI) for the Wed, Sep 23 departure.

Right nowAwaiting arrival in Boise · off blocks 20:15 · 16 min late
22:42

estimated arrival at BOI · local time · past this estimate · waiting on the board

En routeDL4148 · position estimated
LAXLos AngelesBOIBoise
Estimated from the boardsarr 22:42

Board estimate · gate and arrival times. Off blocks 20:15 · typical taxi-out at LAX ≈ 4.7 min.

⚖ DL4148 typically leaves +9 and lands −17. The air wins minutes back.

Where the minutes go

last 7 operations · gate push → arrival
0+67+134+201 min
09-23
+0 gate · −17 arrival
09-22
+65 gate · +53 arrival
09-21
+6 gate · −17 arrival
09-20
+10 gate · −20 arrival
09-19
+201 gate · +184 arrival
09-18
+5 gate · −17 arrival
09-17
+9 gate · −19 arrival

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

The last 30 days

arrival outcome per operation

median arrival −17 min · 0 cancelled · 10 operations tracked

The route today

live boards
LAXLos AngelesOn-time likelyLAX delay board →
BOIBoiseHigh riskBOI delay board →
LAX→BOIevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
35%Chance of 15+ min delay
1.1%Chance of cancellation
+3 minAvg hub delay right now

Conditions at LAX and BOI are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, 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 →

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 Los Angeles to Boise flights today

same route · Delta Air Lines
DL3773departs 11:44

If DL4148 is cancelled, this is the other Delta Air Lines nonstop flight from Los Angeles to Boise on the same day, with scheduled departure times in LAX local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How DL4148 actually runs

Pro Flight Search has tracked every published board update for DL4148 across the LAX and BOI boards: schedule changes, gate pushes and actual clocks. Usually lands ~19 min early. Based on 9 confirmed landings · 7/9 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 DL4148 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
09-23LAX 19:59 (+0)BOI 22:59 22:42 (−17)
09-22LAX 19:59 21:04 (+65)BOI 22:59 23:52 (+53)
09-21LAX 19:59 20:05 (+6)BOI 22:59 22:42 (−17)
09-20LAX 19:59 20:09 (+10)BOI 22:59 22:39 (−20)
09-19LAX 19:59 23:20 (+201)BOI 22:59 02:03 (+184)
09-18LAX 19:59 20:04 (+5)BOI 22:59 22:42 (−17)
09-17LAX 19:59 20:08 (+9)BOI 22:59 22:40 (−19)
09-16LAX 19:59 20:10 (+11)BOI 22:59 22:36 (−23)
09-15LAX 19:59 20:01 (+2)BOI 22:59 22:31 (−28)
09-14LAX 19:59 20:03 (+4)BOI 22:59 22:36 (−23)

Aircraft

Recent tails: N260SY, N261SY, N326SY, N307SY.

Board clocks recorded as LAX and BOI 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 — DL4148 Los Angeles to Boise on-time performance, measured from the LAX and BOI airport boards.

Canonical URL
https://proflightsearch.com/flight/DL4148
How we measure this →