PlainFlights

Route · SEA → BUR · 2020–2025 BTS data

Seattle to Burbank

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SEA to BUR (Seattle to Burbank) ranks #1524 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

80.8%
On-time
+1.8 pts
vs US avg
52 min
Delay when late
8,059
Flights
#1524 of 4927
Corpus placement

Cancelled

2.1%

Best Month

Sep 2025 93%

Worst Month

Mar 2024 65%

Distance

937 mi

Carriers

4

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 144 44 2 0 AS
Nov 2025 127 20 2 3 AS
Oct 2025 133 17 5 3 AS,OO
Sep 2025 127 9 2 0 AS
Aug 2025 140 41 4 0 AS
Jul 2025 149 51 8 0 AS
Jun 2025 142 42 3 0 AS
May 2025 148 38 1 0 AS,OO
Apr 2025 148 27 1 0 OO,AS
Mar 2025 129 33 0 0 AS,OO
Feb 2025 100 22 6 0 AS
Jan 2025 116 20 1 2 AS
Dec 2024 131 30 0 1 AS,OO
Nov 2024 124 20 0 0 OO,AS
Oct 2024 126 23 2 2 AS
Sep 2024 150 45 2 1 AS
Aug 2024 143 40 2 0 AS
Jul 2024 155 41 4 0 AS
Jun 2024 133 44 3 1 AS,OO
May 2024 120 33 1 0 AS
Apr 2024 124 27 0 0 AS
Mar 2024 124 43 0 3 AS
Feb 2024 104 31 1 2 AS
Jan 2024 117 35 15 0 AS

SEA–BUR seasonal on-time pattern

Best: September (85.4%) · weakest: December (76.2%)

75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 76.2%

Strongest calendar month

September

85.4% on-time · ~124 flights/mo

Busiest calendar month

August

~125 flights/mo avg

Weakest calendar month

December

76.2% on-time · ~118 flights/mo

Cancellation Rate

2.1%

65 of 3,154 flights

Diversion Rate

0.6%

18 of 3,154 flights

Explore origin & destination

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

SEA - Seattle

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

SEA on-time profile

BUR - Burbank

Full on-time, delay-cause, and seasonal performance for Burbank, CA.

BUR on-time profile

Compare the two airports

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

Compare SEA vs BUR

Origin-hub reliability standing

Mid-pack among SEA departures

From SEA, this corridor sits with 63 other 75–85% on-time routes out of 89 tracked departures, not the hub's reliability leaders (25 at ≥85%) and not the softest ( 1 below 75%). Destination: Burbank · fleet on-time rank #2830 of 4927.

What the Data Says About SEA to BUR

8,059 tracked flights put the SEA to BUR pairing (Seattle to Burbank) at a 80.8% on-time rate, squarely in line with the wider network. Delays that do occur run 51.8 minutes on average. Across the 937-mile route and its 4 carriers, the trailing 24 months show 2.1% cancelled and 0.6% diverted (3,154 flights sampled).

The monthly split is wide on this route: Sep 2025 posted the strongest performance at 93% on-time, while Mar 2024 came in at just 65% - a 28-point swing worth factoring into travel timing.

On the multi-year calendar, SEA–BUR peaks in September at 85.4% on-time while August carries the heaviest traffic (~125 flights per month) ; the softest month is December at 76.2%, a 9.2-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does SEA to BUR rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, SEA to BUR ranks #1524 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 SEA to BUR? ▼
Flights from Seattle to Burbank have a 80.8% on-time rate based on 8,059 flights. The average delay is 51.8 minutes. The best recent month was Sep 2025 with 93% on-time.
What is the cancellation rate for SEA to BUR? ▼
Over the last 24 months, 2.1% of flights on this route were cancelled (65 of 3,154 flights) and 0.6% were diverted.
How far is the flight from SEA to BUR? ▼
The flight distance from Seattle (SEA) to Burbank (BUR) is approximately 937 miles. This route is served by 4 carriers.
When is the best time to fly from SEA to BUR? ▼
The best recent month for on-time performance was Sep 2025 (93% on-time). The worst was Mar 2024 (65% on-time). Consider booking during months with historically better performance.

Airports on this route

SEA Airport

Seattle
BUR Airport

Burbank
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 SEA–BUR data

SEA–BUR is mid-pack at 80.8% on-time; month and carrier mix move more than the corridor headline.

  • Compare SEA and BUR airport profiles: delay causes and top routes differ even on the same corridor. SEA airport
  • If your dates flex, September (85.4% on-time) beats December (76.2%) on this corridor. Seasonal chart
  • 4 other routes post a similar 80.8% 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.