Seattle (SEA) to Burbank (BUR): On-Time Performance
Data through May 2026
Seattle (SEA) to Burbank (BUR) effectively runs on two schedules. In September 2025, 93% of arrivals were on time; in July 2025 that fell to 64% — a 29-point seasonal swing. Across the full period the route averages 77% on-time against a national 78%. Morning departures also hold up better than evening ones (83% vs 72%), which matters most in the rough months.
- On-time
- 77%
- arrived <15 min late
- Avg delay
- 11 min
- completed flights
- Cancelled
- 1.9%
- Flights/day
- 4.3
- last 12 months
- Duration
- 2h 35m
- scheduled
- Distance
- 937 mi
Monthly on-time trend
Best time to fly from SEA to BUR
Aim for departures around 2 p.m. (92% on-time); avoid 7 p.m. departures (70%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 76% | 11 min |
| Tuesdaybest | 81% | 8 min |
| Wednesday | 79% | 10 min |
| Thursday | 79% | 11 min |
| Friday | 74% | 14 min |
| Saturday | 80% | 11 min |
| Sunday | 74% | 13 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft39%
- Airline operations36%
- National airspace system24%
- Weather1%
Frequently asked questions
- How often are flights from SEA to BUR delayed?
- 23% of SEA–BUR flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 11 minutes.
- What is the best time of day to fly from SEA to BUR?
- Departures around 2 p.m. have the best record (92% on-time), while departures around 7 p.m. have the worst (70%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SEA to BUR?
- The scheduled SEA–BUR flight time averages 2h 35m over 937 miles. Actual arrival times vary — flights on this route land 15+ minutes late 23% of the time.
- How often are SEA to BUR flights cancelled?
- 1.9% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, slightly above the national rate of 1.6%.
- What is the worst month to fly from SEA to BUR?
- July 2025 was the roughest month in this dataset, with only 64% of arrivals on time. The best was September 2025 at 93%. If your dates are flexible, that 29-point gap is worth planning around.
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Based on 3,172 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.