WN4390Southwest Airlines · DEN → BUR
live · 11m ago
Route confirmed Southwest Airlines

WN4390 DenverDEN · 20:20 BurbankBUR · 21:45

WN4390 by Southwest Airlines flies from Denver (DEN) to Burbank (BUR).

Right nowNext departure today Operates daily
20:20

scheduled from DEN

⚖ WN4390 typically leaves +15 and lands −1. The air wins minutes back.
Typical gate push+15 minmedian posted departure
Typical arrival−1 minmedian over 10 operations
Wins back in air~16 minmedian gate push vs arrival · how planes make up time → Cancellation0 in 11tracked operations · cancellation odds calculator →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
11-02
+0 gate · −16 arrival
10-30
+2 gate · −4 arrival
10-29
+7 gate · +1 arrival
10-28
+15 gate · +8 arrival
10-27
+2 gate · −8 arrival
10-26
+0 gate · −16 arrival
10-25
+27 gate

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 −1 min · 0 cancelled · 11 operations tracked

The route today

live boards
DENDenverOn-time likelyDEN delay board →
BURBurbankOn-time likelyBUR delay board →
DEN→BURevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
41%Chance of 15+ min delay
1.6%Chance of cancellation
+9 minTypical airport delay in this weather

Conditions at DEN and BUR 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 Denver

Forecast

Tue 3 Nov, local date

High14°Clikely 11°C to 15°C
Low3°Clikely 1°C to 5°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 Burbank

Forecast

Tue 3 Nov, local date

High23°Clikely 22°C to 25°C
Low12°Clikely 11°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 Denver to Burbank flights today

same route · Southwest Airlines
WN2900departs 08:00
WN1557departs 08:30
WN1800departs 08:30
WN2671departs 08:45
WN2959departs 10:20
WN2620departs 11:40

If WN4390 is cancelled, these are the other Southwest Airlines nonstop flights from Denver to Burbank on the same day, with scheduled departure times in DEN 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 WN4390 actually runs

Pro Flight Search has tracked every published board update for WN4390 across the DEN and BUR boards: schedule changes, gate pushes and actual clocks. Usually lands ~7 min late. Based on 10 confirmed landings · 7/10 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how WN4390 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
11-02DEN 20:20 (+0)BUR 21:45 21:29 (−16)
10-30DEN 20:20 20:22 (+2)BUR 21:45 21:41 (−4)
10-29DEN 20:20 20:27 (+7)BUR 21:45 21:46 (+1)
10-28DEN 20:20 20:35 (+15)BUR 21:45 21:53 (+8)
10-27DEN 20:20 20:22 (+2)BUR 21:45 21:37 (−8)
10-26DEN 20:20 (+0)BUR 21:45 21:29 (−16)
10-25DEN 20:30 20:57 (+27)BUR
10-24DEN 19:35 19:51 (+16)BUR 21:00 20:57 (−3)
10-23DEN 20:20 21:40 (+80)BUR 21:45 22:56 (+71)
10-22DEN 20:20 21:31 (+71)BUR 21:45 22:52 (+67)
10-21DEN 20:20 20:50 (+30)BUR 21:45 22:14 (+29)

Aircraft

Recent tails: N1811U, N8792Q, N8314L, N8736J.

Board clocks recorded as DEN and BUR published them.

Planning around WN4390? 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: WN4390 Denver to Burbank on-time performance, measured from the DEN and BUR airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4390
How we measure this →