Flight number record

AS 176

Alaska Airlines · Juneau to Seattle

Route: JNU → SEA
Departs: 14:20
Flights: 292
Period: July 2025 to June 2026

Historical statistics for July 2025 to June 2026, not live status. For today’s AS 176, check with Alaska Airlines.

AS 176 sits in the middle of the pack with a B. Close to three flights in four arrive on time by the DOT's definition, 2 points worse than the national rate of 77.6%. The late ones land about an hour behind schedule. That rests on 292 flights, with a median arrival 4 minutes early.

On time

75.2%

Arrivals under 15 minutes late, of 286 completed flights

Avg delay

56 min

Across delayed arrivals only, not all flights

Cancelled

2.05%

National rate is 1.81%

1 hour+ late

5.6%

National rate is 8.1%

These figures cover 292 flights between July 2025 and June 2026. The median arrival is 4 minutes early, which is the part an average hides: most flights here are fine, and the on-time rate is decided by a tail of badly late ones. On-time means under 15 minutes late, the DOT's own threshold.

Schedule

When AS 176 flies

AS 176 flies JNU to SEA without a single fixed slot. Its most common scheduled departure was 14:20, used on 66 of 292 flights, with 14:15 (50 flights) and 14:10 (45 flights) next. Carriers retime flights through the season, so the rates here blend slightly different positions in the aircraft's day.

Departs 14:2066 flights22.6%
Departs 14:1550 flights17.1%
Departs 14:1045 flights15.4%

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 14:20 departure sits in the 2pm–5pm window. Across every US flight scheduled in that window the on-time rate is 72.4%, and AS 176 runs 3 points better at 75.2%. Midday slots inherit some of the morning's delays without yet carrying the full weight of the evening's.

Against the route

AS 176 next to JNU to SEA

Every carrier on JNU to SEA combined arrived on time 80.3% of the time across 1,591 flights, so AS 176 is 5 points behind it. Alaska flew 1,450 flights on the same city pair under all its flight numbers, including this one, and those ran 79.1% on time. Across its whole network Alaska Airlines managed 79.1%, which this flight trails by 4 points.

AS 176 against its route and carrier
Compared with	Flights	On time	Avg delay	Cancelled	Grade
AS 176thin sample	292	75.2%	56 min	2.05%	B
All Alaska Airlines on JNU–SEA	1,450	79.1%	59 min	2.07%	B
All carriers on JNU–SEA	1,591	80.3%	61 min	1.95%	B
Alaska Airlines, whole network	293,372	79.1%	52 min	1.28%	B

Across the year

AS 176 quarter by quarter

AS 176 did not run the same all year. Its best quarter was Oct–Dec 2025 at 80.5% on time and its weakest Jul–Sep 2025 at 67.0%, a swing of 14 points on roughly 97 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 202592 flights67.0%
Oct–Dec 202589 flights80.5%
Jan–Mar 202690 flights74.7%
Apr–Jun 202621 flights—

Scale runs 60% to 85%. Rows with fewer than 30 flights show a dash.

By weekday, AS 176 ranged from 70.7% on Monday to 81.4% on Tuesday. With about 42 flights behind each day, a spread of 11 points is inside normal variation, so the day you fly is not worth changing for this flight.

Delay causes

Why AS 176 runs late

One category carries most of the weight here. Late-arriving aircraft accounts for 62% of the 3,998 delay minutes carriers reported, and the remaining four split what is left. The split is by minutes rather than by flights, so a few very long delays count for as much as many short ones.

Late-arriving aircraft
62%
Carrier
21%
National Airspace System
16%
Extreme weather
2%

62% 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 3,998 reported delay minutes here, that single category outweighs weather by 33 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 3,998 delay minutes reported on AS 176.

Cancellations sit at 2.05% against a national 1.81%, which is ordinary. Diversions add another 0.00%.

Connections and routes

What a delay on this flight costs

5.6% of arrivals land an hour or more late, close to the national 8.1%. That is the figure that decides a connection, and it says a 60 to 75 minute layover is reasonable here while anything under 45 minutes is a bet. Most delays on this route last about an hour, which a normal layover absorbs.

The 909 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.

Every one of the 292 flights under AS 176 in the data flew JNU to SEA. The number was not reused on any other city pair, which makes this a clean record of one route.

One caution: this is a thin sample. 292 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 176

For a booking, AS 176 is one of the weaker ways to fly JNU to SEA: 5 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.

Where to go next

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.

Key figures