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Route · RDM → SEA · 2020–2025 BTS data

Bend/Redmond to Seattle

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), RDM to SEA (Bend/Redmond to Seattle) ranks #864 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

86.8%
On-time
+7.8 pts
vs US avg
74 min
Delay when late
12,501
Flights
#864 of 4927
Corpus placement

Cancelled

1.3%

Best Month

Apr 2025 90%

Worst Month

Sep 2024 67%

Distance

228 mi

Carriers

8

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 152 23 1 1 AS,OO
Nov 2025 157 16 10 0 OO,AS
Oct 2025 163 25 1 0 AS,OO
Sep 2025 210 31 1 0 OO,AS
Aug 2025 196 38 2 0 OO,AS
Jul 2025 184 29 1 0 AS,OO
Jun 2025 180 36 0 0 AS,OO
May 2025 158 18 0 0 AS,OO
Apr 2025 121 12 0 0 OO,AS
Mar 2025 124 15 0 1 AS,OO
Feb 2025 112 25 1 0 AS,OO
Jan 2025 135 27 1 1 AS,OO
Dec 2024 160 36 11 0 AS,OO
Nov 2024 152 17 0 0 OO,AS
Oct 2024 137 21 0 0 AS,OO
Sep 2024 165 55 0 0 OO,AS
Aug 2024 136 30 0 0 AS,OO
Jul 2024 116 24 2 0 AS,OO
Jun 2024 121 20 0 0 AS,OO
May 2024 120 17 0 0 AS,OO
Apr 2024 134 21 1 0 AS,OO
Mar 2024 150 21 0 0 AS,OO
Feb 2024 138 23 0 0 AS,OO
Jan 2024 141 33 15 0 AS,OO

RDM–SEA seasonal on-time pattern

Best: May (90.6%) · weakest: December (78.8%)

75%80%85%90%95% JanFebMarAprMayJunJulAugSepOctNovDec 78.8%

Strongest calendar month

May

90.6% on-time · ~178 flights/mo

Busiest calendar month

September

~203 flights/mo avg

Weakest calendar month

December

78.8% on-time · ~161 flights/mo

Cancellation Rate

1.3%

47 of 3,562 flights

Diversion Rate

0.1%

3 of 3,562 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

RDM - Bend/Redmond

Full on-time, delay-cause, and seasonal performance for Bend/Redmond, OR.

RDM on-time profile

SEA - Seattle

Full on-time, delay-cause, and seasonal performance for Seattle, WA.

SEA on-time profile

Compare the two airports

See RDM and SEA side by side on delays, cancellations, and reliability.

Compare RDM vs SEA

Origin-hub reliability standing

Among RDM's stronger departures

RDM → SEA posts a 86.8% on-time rate, landing in the ≥85% band with 3 of 7 BTS-tracked routes leaving Bend/Redmond. The same hub also shows 4 mid-band and 0 challenged departures · fleet-wide on-time rank #688 of 4927 (highest on-time = #1).

What the Data Says About RDM to SEA

Bend/Redmond to Seattle (RDM to SEA) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 86.8% on-time rate across 12,501 flights, with delays that do happen averaging 74.0 minutes. The corridor runs roughly 228 miles and is served by 8 carriers. Over the most recent 24 months, 47 of 3,562 flights were cancelled (1.3%) and 3 diverted (0.1%).

The monthly split is wide on this route: Apr 2025 posted the strongest performance at 90% on-time, while Sep 2024 came in at just 67% - a 23-point swing worth factoring into travel timing.

On the multi-year calendar, RDM–SEA peaks in May at 90.6% on-time while September carries the heaviest traffic (~203 flights per month) ; the softest month is December at 78.8%, a 11.8-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does RDM to SEA rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, RDM to SEA ranks #864 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from RDM to SEA? ▼
Flights from Bend/Redmond to Seattle have a 86.8% on-time rate based on 12,501 flights. The average delay is 74.0 minutes. The best recent month was Apr 2025 with 90% on-time.
What is the cancellation rate for RDM to SEA? ▼
Over the last 24 months, 1.3% of flights on this route were cancelled (47 of 3,562 flights) and 0.1% were diverted.
How far is the flight from RDM to SEA? ▼
The flight distance from Bend/Redmond (RDM) to Seattle (SEA) is approximately 228 miles. This route is served by 8 carriers.
When is the best time to fly from RDM to SEA? ▼
The best recent month for on-time performance was Apr 2025 (90% on-time). The worst was Sep 2024 (67% on-time). Consider booking during months with historically better performance.

Airports on this route

RDM Airport

Bend/Redmond
SEA Airport

Seattle
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using RDM–SEA data

RDM–SEA runs 7.8 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare RDM and SEA airport profiles: delay causes and top routes differ even on the same corridor. RDM airport
  • If your dates flex, May (90.6% on-time) beats December (78.8%) on this corridor. Seasonal chart
  • 4 other routes post a similar 86.8% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.