Flight number record
AS 632
Alaska Airlines · Seattle to Phoenix
- Route
- SEA → PHX
- Departs
- 17:06
- Flights
- 320
- Period
- July 2025 to June 2026
Historical statistics for July 2025 to June 2026, not live status. For today’s AS 632, check with Alaska Airlines.
AS 632 sits in the middle of the pack with a C+. About seven flights in ten arrive on time by the DOT's definition, 5 points worse than the national rate of 77.6%. The late ones land about 45 minutes behind schedule. That rests on 320 flights, with a median arrival 1 minute late.
The national on-time rate over the same period is 77.6%, so AS 632 runs 5 points behind the country as a whole. Across a thousand flights that is about 50 extra late arrivals.
Key figures
On time
72.6%
Arrivals under 15 minutes late, of 317 completed flights
Avg delay
45 min
Across delayed arrivals only, not all flights
Cancelled
0.31%
National rate is 1.81%
1 hour+ late
4.4%
National rate is 8.1%
These figures cover 320 flights between July 2025 and June 2026. On-time means an arrival less than 15 minutes after the scheduled gate time, the same threshold the Department of Transportation uses in its own reports. Cancelled and diverted flights are excluded from the on-time rate and counted separately, which is why the cancellation column matters on its own.
Schedule
When AS 632 flies
AS 632 flies SEA to PHX without a single fixed slot. Its most common scheduled departure was 17:06, used on 65 of 320 flights, with 17:59 (49 flights) and 18:04 (45 flights) next. Carriers retime flights through the season, so the rates here blend slightly different positions in the aircraft's day.
- Departs 17:0665 flights20.3%
- Departs 17:5949 flights15.3%
- Departs 18:0445 flights14.1%
Scale runs 0% to 100%. Rows with fewer than 30 flights show a dash.
Share of scheduled departures at each local time. Times used on fewer than one flight in ten are not listed.
A 17:06 departure sits in the 5pm–8pm window. Across every US flight scheduled in that window the on-time rate is 68.2%, and AS 632 runs 4 points better at 72.6%. By that time of day most aircraft have flown several legs already, and whatever went wrong earlier is still in the schedule.
Against the route
AS 632 next to SEA to PHX
Every carrier on SEA to PHX combined arrived on time 79.2% of the time across 7,268 flights, so AS 632 is 7 points behind it. Alaska flew 2,906 flights on the same city pair under all its flight numbers, including this one, and those ran 79.0% on time. Across its whole network Alaska Airlines managed 79.1%, which this flight trails by 7 points.
| Compared with | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| AS 632thin sample | 320 | 72.6% | 45 min | 0.31% | C+ |
| All Alaska Airlines on SEA–PHX | 2,906 | 79.0% | 45 min | 0.65% | B+ |
| All carriers on SEA–PHX | 7,268 | 79.2% | 56 min | 0.70% | B+ |
| Alaska Airlines, whole network | 293,372 | 79.1% | 52 min | 1.28% | B |
Across the year
AS 632 quarter by quarter
AS 632 did not run the same all year. Its best quarter was Jan–Mar 2026 at 83.1% on time and its weakest Jul–Sep 2025 at 58.6%, a swing of 24 points on roughly 80 flights a quarter. The twelve-month rate averages over that, so if you are flying in a weak quarter the quarter's own figure is the better guide.
- Jul–Sep 202589 flights58.6%
- Oct–Dec 202590 flights71.9%
- Jan–Mar 202671 flights83.1%
- Apr–Jun 202670 flights80.0%
Scale runs 50% to 90%. Rows with fewer than 30 flights show a dash.
By weekday, AS 632 did best on Tuesday at 87.5% on time and worst on Monday at 60.9%. Each day rests on about 46 flights, so a gap of 27 points is worth noticing but could still narrow in another year.
Delay causes
Why AS 632 runs late
Carriers report a reason for every delay minute they cause, in five DOT categories. The split below is by minutes, not by number of flights, so a handful of very long weather delays weighs as much as many short ones. It covers 3,923 reported delay minutes.
- 42%Late-arriving aircraft
- 35%National Airspace System
- 23%Carrier
- 1%Extreme weather
- 0%Security
42% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. That is a cascade, and cascades start small and grow through the day. Across 3,923 reported delay minutes here, that single category outweighs weather by 42 to one. It is the strongest argument for booking the first departure of the morning, when the aircraft has been sitting at the gate overnight with nothing to inherit. The split is drawn from 3,923 delay minutes reported on AS 632.
Cancellations are rare at 0.31%, below the national 1.81% and low enough to earn the plus on the grade. Roughly one flight in 100 is called off; the risk here is arriving late, not not arriving.
Connections and routes
What a delay on this flight costs
Badly late arrivals are rare here: only 4.4% land an hour or more behind schedule, against 8.1% nationally. Connections built on this flight are about as safe as US domestic connections get, though a cancelled flight still ignores every layover you give it.
The 1,107 miles between these two airports put this in the middle of the US network, around two and a half to three hours of block time. That is enough cruise to absorb a ten-minute late pushback and not enough to absorb thirty. It is also long enough that the aircraft usually flies three or four legs a day rather than six, which slows how fast delay compounds.
The same number turns up on one other city pair in the data, including SEA to PDX (1), but none flew often enough under AS 632 to report a rate for. Carriers move flight numbers between routes, so the figures on this page apply to SEA to PHX only.
One caution: this is a thin sample. 320 flights over twelve months is enough to clear this site's floor but not enough to pin the rate down tightly, and a single bad week moves it by more than a point. Treat the grade as a rough reading.
What to do with this
Booking AS 632
For a booking, AS 632 is one of the weaker ways to fly SEA to PHX: 7 points below the route as a whole. If the schedule allows, compare it with the other departures listed on the route page before settling on this one.
Related
Where to go next
- SEA to PHX, every carrier and departure
- PHX to SEA, the return direction
- Delta Air Lines 2419 on the same route92.0%
- Alaska Airlines 700 on the same route79.6%
- Delta Air Lines 2698 on the same route75.9%
- Alaska Airlines 744 on the same route73.3%
- Alaska Airlines 606 on the same route87.7%
- Delta Air Lines 2442 on the same route80.0%
- Seattle-Tacoma International (SEA) delay statistics
- Phoenix Sky Harbor International (PHX) delay statistics
- Alaska Airlines on-time record
- Every Alaska Airlines flight number with a record
- The most and least reliable flight numbers in the US
- Why the first flight of the morning is statistically safest
A flight number here means Alaska Airlines’s own number as it reports to the DOT. How the figures are computed is on the methodology page.
Source: US DOT Bureau of Transportation Statistics, on-time performance data, July 2025 to June 2026. Last updated 15 September 2026; recomputed monthly. How this data is collected.