1,384 km · Domestic

Seattle–Tacoma (SEA) – Sitka Rocky Gutierrez (SIT)

In July 2026, 124 flights operated between Seattle–Tacoma and Sitka Rocky Gutierrez (both directions), and 73.4% left on time, according to the US BTS.

Flights operated · latest month124▲ 1.6%vs July 2025
On-time departures69.8%Average delay 12.6 min
Cancelled0.6%5 of 800 scheduled flights
Airlines1
Rank in country#2,306

Official · July 2026 according to the US BTS only airlines required to report on-time data to the US DOT

Flights per month

Partial coverage: only airlines that report on-time data to the US DOT · 10 of 10 periods have data

May 2025 July 2025 October 2025 May 2026 July 2026

Short series — SEA–SIT has only 10 months so far. Enough to show the level now, not enough to read a trend.

Only complete months are shown. A month appears once the source has published every day of it.

The most recent periods10 periods

Period	Flights operated 2025	Flights operated 2026	Change vs last year
January	–	–	–
February	–	–	–
March	–	–	–
April	–	–	–
May	69	77	▲ 11.6%
June	119	118	▼ 0.8%
July	122	124	▲ 1.6%
August	99	–	–
September	60	–	–
October	6	–	in progress
November	1	–	–
December	–	–	–

On-time departures by month

Partial coverage: only airlines that report on-time data to the US DOT · 10 of 10 periods have data

May 2025 July 2025 October 2025 May 2026 July 2026

Short series — SEA–SIT has only 10 months so far. Enough to show the level now, not enough to read a trend.

Departures within 15 minutes of schedule.

The most recent periods10 periods

Period	On-time departures 2025	On-time departures 2026	Change vs last year
January	–	–	–
February	–	–	–
March	–	–	–
April	–	–	–
May	75.4%	92.2%	▲ 22.3%
June	59.7%	77.1%	▲ 29.1%
July	62.3%	73.4%	▲ 17.8%
August	52.5%	–	–
September	78.3%	–	–
October	66.7%	–	in progress
November	0.0%	–	–
December	–	–	–

Cancelled flights by month

Partial coverage: only airlines that report on-time data to the US DOT · 10 of 10 periods have data

May 2025 July 2025 October 2025 May 2026 July 2026

Short series — SEA–SIT has only 10 months so far. Enough to show the level now, not enough to read a trend.

The most recent periods10 periods

Period	Cancelled flights 2025	Cancelled flights 2026	Change vs last year
January	–	–	–
February	–	–	–
March	–	–	–
April	–	–	–
May	0	0	–
June	1	2	▲ 100.0%
July	2	0	▼ 100.0%
August	0	–	–
September	0	–	–
October	0	–	in progress
November	0	–	–
December	–	–	–

By direction

SEA → SIT

Scheduled flights: 400
Flights operated: 399
Cancelled: 1 · 0.3%
On-time departures: 66.9%

SIT → SEA

Scheduled flights: 400
Flights operated: 396
Cancelled: 4 · 1.0%
On-time departures: 72.7%

SEA → SIT and SIT → SEA counted separately.

Airlines on this route

May 1, 2025 – Jul 31, 2026

Airline	Scheduled flights	Share	On-time departures	Cancelled
Alaska Airlines AS	800	100.0%	69.8%	5

Shares are of scheduled flights in the period shown. Codeshare flights are counted once, under the operating airline.

Flight timing & delays

Historical departures, grouped by the scheduled local time at the departure airport. These are recorded outcomes, not a forecast for your flight.

Times are local to the departure airport of each flight; both directions are combined.

US domestic sectors recorded by BTS

Source: the US BTS · May 14, 2025 → Jul 31, 2026

Lowest average delay11:00–12:0014.1min · 223 recorded · 223 measured

Recorded flights800SEA–SIT

Departure hour

On-time departures Partial coverage: only airlines that report on-time data to the US DOT

Hover, tap or focus a point to see its value, sample and source.

Average departure delay Partial coverage: only airlines that report on-time data to the US DOT

Hover, tap or focus a point to see its value, sample and source.

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT

Hover, tap or focus a point to see its value, sample and source.

View the figures

Departure hour	On-time departures	Average departure delay	With departure time	Recorded flights
00:00	No observations	—	—	—
01:00	No observations	—	—	—
02:00	No observations	—	—	—
03:00	No observations	—	—	—
04:00	No observations	—	—	—
05:00	No observations	—	—	—
06:00	No observations	—	—	—
07:00	Fewer than 200 measured departures	—	175	177
08:00	No observations	—	—	—
09:00	No observations	—	—	—
10:00	No observations	—	—	—
11:00	65.5%	14.1 min	223	223
12:00	No observations	—	—	—
13:00	Fewer than 200 measured departures	—	169	170
14:00	Fewer than 200 measured departures	—	51	52
15:00	No observations	—	—	—
16:00	No observations	—	—	—
17:00	No observations	—	—	—
18:00	No observations	—	—	—
19:00	No observations	—	—	—
20:00	No observations	—	—	—
21:00	Fewer than 200 measured departures	—	177	178
22:00	No observations	—	—	—
23:00	No observations	—	—	—

Day of week

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT

Hover, tap or focus a point to see its value, sample and source.

No bucket in this view has 200 measured departures yet. Flight counts are shown; on-time and delay charts become available when the sample is large enough.

View the figures

Day of week	On-time departures	Average departure delay	With departure time	Recorded flights
Monday	Fewer than 200 measured departures	—	108	112
Tuesday	Fewer than 200 measured departures	—	112	112
Wednesday	Fewer than 200 measured departures	—	115	115
Thursday	Fewer than 200 measured departures	—	118	118
Friday	Fewer than 200 measured departures	—	118	118
Saturday	Fewer than 200 measured departures	—	112	112
Sunday	Fewer than 200 measured departures	—	112	113

Month of year

Months combine the same calendar month across the years shown; this is a seasonal pattern, not a monthly time series.

On-time departures Partial coverage: only airlines that report on-time data to the US DOT

Hover, tap or focus a point to see its value, sample and source.

Average departure delay Partial coverage: only airlines that report on-time data to the US DOT

Hover, tap or focus a point to see its value, sample and source.

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT

Hover, tap or focus a point to see its value, sample and source.

View the figures

Month of year	On-time departures	Average departure delay	With departure time	Recorded flights
Jan	No observations	—	—	—
Feb	No observations	—	—	—
Mar	No observations	—	—	—
Apr	No observations	—	—	—
May	Fewer than 200 measured departures	—	146	146
Jun	68.4%	13.9 min	237	240
Jul	67.9%	15.5 min	246	248
Aug	Fewer than 200 measured departures	—	99	99
Sep	Fewer than 200 measured departures	—	60	60
Oct	Fewer than 200 measured departures	—	6	6
Nov	Fewer than 200 measured departures	—	1	1
Dec	No observations	—	—	—

Delay and on-time rates need at least 200 measured departures per bucket. Smaller samples remain visible in the flight-count chart. An empty slot means no observations, not zero flights.

Recorded outcomes

On time 69.4% 555
Delayed >15 min 30.0% 240
Cancelled 0.6% 5
Missing departure time 0.0% 0

All recorded flights with a known scheduled local time, counted once. Missing actual times are shown separately.

On time means departing no more than 15 minutes after schedule. Cancelled flights and flights missing departure times are excluded from the on-time rate and average delay.

Flight numbers on this route

Flight numbers	By direction	Departures	On time
AS91	SEA → SIT	178	68.4%
AS58	SIT → SEA	142	46.8%
AS63	SEA → SIT	142	60.6%
AS90	SIT → SEA	97	91.7%
AS651	SIT → SEA	52	90.4%
AS633	SEA → SIT	51	66.7%
AS652	SIT → SEA	51	72.0%

Flight numbers are the codes sold on tickets. On shared flights one aircraft can carry several of them. Only numbers with at least 30 flights have a page.

Monthly figures

Period	Flights operated	Change vs last year	Cancelled	On-time departures
July 2026	124	+1.6%	0	73.4%
June 2026	118	−0.8%	2	77.1%
May 2026	77	+11.6%	0	92.2%
November 2025	1		0	0.0%
October 2025	6		0	66.7%
September 2025	60		0	78.3%
August 2025	99		0	52.5%
July 2025	122		2	62.3%
June 2025	119		1	59.7%
May 2025	69		0	75.4%

Seattle–Tacoma (SEA) – Sitka Rocky Gutierrez (SIT)

Flights per month

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On-time departures by month

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Cancelled flights by month

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By direction

SEA → SIT

SIT → SEA

Airlines on this route

Flight timing & delays

Departure hour

Day of week

Month of year

Recorded outcomes

Flight numbers on this route

How to read this chart