WN3704Southwest Airlines · SEA → PHX
live · 13m ago
Route confirmed Southwest Airlines

WN3704 SeattleSEA · 05:35 PhoenixPHX · 08:20

WN3704 by Southwest Airlines flies from Seattle (SEA) to Phoenix (PHX).

Right nowNext departure today Operates daily
07:50

scheduled from SEA

Typical arrival−15 minmedian over 4 operations

Where the minutes go

last 4 operations · gate push → arrival
0+30+60+90 min
11-03
−18 arrival
10-28
−12 arrival
10-27
−18 arrival
10-21
+11 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
SEASeattleModerate riskSEA delay board →
PHXPhoenixHigh riskPHX delay board →
SEA→PHXevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
34%Chance of 15+ min delay
1.3%Chance of cancellation
+0 minTypical airport delay in this weather

Conditions at SEA and PHX 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 Seattle

Forecast

Wed 4 Nov, local date

High13°Clikely 12°C to 15°C
Low6°Clikely 3°C to 7°C
  • 83% chance of rain

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 Phoenix

Forecast

Wed 4 Nov, local date

High24°Clikely 23°C to 26°C
Low15°Clikely 14°C to 16°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 Seattle to Phoenix flights today

same route · Southwest Airlines
WN2973departs 05:15
WN3434departs 05:15
WN2521departs 07:40
WN4307departs 08:05
WN3519departs 10:45
WN3761departs 11:10

If WN3704 is cancelled, these are the other Southwest Airlines nonstop flights from Seattle to Phoenix on the same day, with scheduled departure times in SEA 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 WN3704 actually runs

Pro Flight Search has tracked every published board update for WN3704 across the SEA and PHX boards: schedule changes, gate pushes and actual clocks. Usually lands ~15 min early. Based on 4 confirmed landings · 4/4 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how WN3704 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
11-03SEA 05:35PHX 08:20 08:02 (−18)
10-28SEA 05:35PHX 08:20 08:08 (−12)
10-27SEA 05:35PHX 08:20 08:02 (−18)
10-21SEA PHX 08:20 08:31 (+11)

Board clocks recorded as SEA and PHX published them.

Planning around WN3704? 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: WN3704 Seattle to Phoenix on-time performance, measured from the SEA and PHX airport boards.

Canonical URL
https://proflightsearch.com/flight/WN3704
How we measure this →