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909 km · Domestic

Idaho Falls (IDA) – Seattle–Tacoma (SEA)

In July 2026, 124 flights operated between Idaho Falls and Seattle–Tacoma (both directions), and 79.8% left on time, according to the US BTS.

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

Flights per month

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

The most recent periods9 periods
PeriodFlights operated 2025Flights operated 2026Change vs last year
January–23–
February–––
March–55–
April–83–
May–77–
June–120–
July–124–
August–––
September–––
October23–in progress
November116––
December110––

On-time departures by month

Departures within 15 minutes of schedule.

The most recent periods9 periods
PeriodOn-time departures 2025On-time departures 2026Change vs last year
January–87.0%–
February–––
March–89.1%–
April–91.6%–
May–81.8%–
June–83.3%–
July–79.8%–
August–––
September–––
October95.7%–in progress
November90.5%––
December77.3%––

Cancelled flights by month

The most recent periods9 periods
PeriodCancelled flights 2025Cancelled flights 2026Change vs last year
January–0–
February–––
March–2–
April–0–
May–0–
June–0–
July–0–
August–––
September–––
October0–in progress
November0––
December0––

By direction

IDA → SEA

Scheduled flights
366
Flights operated
365
Cancelled
1 · 0.3%
On-time departures
88.2%

SEA → IDA

Scheduled flights
367
Flights operated
366
Cancelled
1 · 0.3%
On-time departures
81.1%

IDA → SEA and SEA → IDA counted separately.

Airlines on this route

Oct 1, 2025 – Jul 31, 2026
AirlineScheduled flights Share On-time departures Cancelled
SkyWest Airlines OO 733 100.0% 84.7% 2

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 · Oct 26, 2025 → Jul 31, 2026

Recorded flights733IDA–SEA

Departure hour

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
00:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 01:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 02:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 03:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 04:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 05:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 06:00 · 127 · 127 recorded · 126 measured · Source: the US BTS 07:00 · 52 · 52 recorded · 52 measured · Source: the US BTS 08:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 09:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 10:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 11:00 · 30 · 30 recorded · 30 measured · Source: the US BTS 12:00 · 106 · 106 recorded · 106 measured · Source: the US BTS 13:00 · 117 · 117 recorded · 117 measured · Source: the US BTS 14:00 · 26 · 26 recorded · 26 measured · Source: the US BTS 15:00 · 44 · 44 recorded · 44 measured · Source: the US BTS 16:00 · 21 · 21 recorded · 21 measured · Source: the US BTS 17:00 · 30 · 30 recorded · 30 measured · Source: the US BTS 18:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 19:00 · 53 · 53 recorded · 53 measured · Source: the US BTS 20:00 · 63 · 63 recorded · 62 measured · Source: the US BTS 21:00 · 64 · 64 recorded · 64 measured · Source: the US BTS 22:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 23:00 · No observations · 0 recorded · 0 measured · Source: the US BTS

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
Departure hourOn-time departuresAverage departure delayWith departure timeRecorded flights
00:00No observations———
01:00No observations———
02:00No observations———
03:00No observations———
04:00No observations———
05:00No observations———
06:00Fewer than 200 measured departures—126127
07:00Fewer than 200 measured departures—5252
08:00No observations———
09:00No observations———
10:00No observations———
11:00Fewer than 200 measured departures—3030
12:00Fewer than 200 measured departures—106106
13:00Fewer than 200 measured departures—117117
14:00Fewer than 200 measured departures—2626
15:00Fewer than 200 measured departures—4444
16:00Fewer than 200 measured departures—2121
17:00Fewer than 200 measured departures—3030
18:00No observations———
19:00Fewer than 200 measured departures—5353
20:00Fewer than 200 measured departures—6263
21:00Fewer than 200 measured departures—6464
22:00No observations———
23:00No observations———

Day of week

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
Monday · 106 · 106 recorded · 106 measured · Source: the US BTS Tuesday · 103 · 103 recorded · 103 measured · Source: the US BTS Wednesday · 105 · 105 recorded · 105 measured · Source: the US BTS Thursday · 104 · 104 recorded · 104 measured · Source: the US BTS Friday · 108 · 108 recorded · 107 measured · Source: the US BTS Saturday · 102 · 102 recorded · 101 measured · Source: the US BTS Sunday · 105 · 105 recorded · 105 measured · Source: the US BTS

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 weekOn-time departuresAverage departure delayWith departure timeRecorded flights
MondayFewer than 200 measured departures—106106
TuesdayFewer than 200 measured departures—103103
WednesdayFewer than 200 measured departures—105105
ThursdayFewer than 200 measured departures—104104
FridayFewer than 200 measured departures—107108
SaturdayFewer than 200 measured departures—101102
SundayFewer than 200 measured departures—105105

Month of year

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

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
Jan · 23 · 23 recorded · 23 measured · Source: the US BTS Feb · No observations · 0 recorded · 0 measured · Source: the US BTS Mar · 57 · 57 recorded · 55 measured · Source: the US BTS Apr · 83 · 83 recorded · 83 measured · Source: the US BTS May · 77 · 77 recorded · 77 measured · Source: the US BTS Jun · 120 · 120 recorded · 120 measured · Source: the US BTS Jul · 124 · 124 recorded · 124 measured · Source: the US BTS Aug · No observations · 0 recorded · 0 measured · Source: the US BTS Sep · No observations · 0 recorded · 0 measured · Source: the US BTS Oct · 23 · 23 recorded · 23 measured · Source: the US BTS Nov · 116 · 116 recorded · 116 measured · Source: the US BTS Dec · 110 · 110 recorded · 110 measured · Source: the US BTS

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
Month of yearOn-time departuresAverage departure delayWith departure timeRecorded flights
JanFewer than 200 measured departures—2323
FebNo observations———
MarFewer than 200 measured departures—5557
AprFewer than 200 measured departures—8383
MayFewer than 200 measured departures—7777
JunFewer than 200 measured departures—120120
JulFewer than 200 measured departures—124124
AugNo observations———
SepNo observations———
OctFewer than 200 measured departures—2323
NovFewer than 200 measured departures—116116
DecFewer than 200 measured departures—110110

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 84.4% 619
  • Delayed >15 min 15.3% 112
  • Cancelled 0.3% 2
  • 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

11
11 of 11
Flight numbersBy direction DeparturesOn time
OO3026 SEA → IDA 107 86.0%
OO3027 IDA → SEA 98 85.7%
OO3054 IDA → SEA 52 94.2%
OO3423 SEA → IDA 52 80.8%
OO3489 IDA → SEA 52 78.9%
OO3490 SEA → IDA 52 71.2%
OO3318 IDA → SEA 35 97.1%
OO3391 SEA → IDA 35 80.0%
OO3427 SEA → IDA 34 97.0%
OO3411 IDA → SEA 33 97.0%
OO3423 IDA → SEA 31 96.8%

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
PeriodFlights operated Change vs last yearCancelled On-time departures
July 2026 124 0 79.8%
June 2026 120 0 83.3%
May 2026 77 0 81.8%
April 2026 83 0 91.6%
March 2026 55 2 89.1%
January 2026 23 0 87.0%
December 2025 110 0 77.3%
November 2025 116 0 90.5%
October 2025 23 0 95.7%

How to read this chart

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