FlightRecord

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

Monthly on-time percentage for SEA to BUR flights50%75%100%June 2024: 65% on-time (133 flights)65Jun 2024July 2024: 73% on-time (155 flights)73August 2024: 72% on-time (143 flights)72September 2024: 69% on-time (150 flights)69Sep 2024October 2024: 80% on-time (126 flights)80November 2024: 84% on-time (124 flights)84December 2024: 76% on-time (131 flights)76Dec 2024January 2025: 81% on-time (116 flights)81February 2025: 77% on-time (100 flights)77March 2025: 74% on-time (129 flights)74Mar 2025April 2025: 82% on-time (148 flights)82May 2025: 74% on-time (148 flights)74June 2025: 70% on-time (142 flights)70Jun 2025July 2025: 64% on-time (149 flights)64August 2025: 70% on-time (140 flights)70September 2025: 93% on-time (127 flights)93Sep 2025October 2025: 84% on-time (133 flights)84November 2025: 82% on-time (127 flights)82December 2025: 69% on-time (144 flights)69Dec 2025January 2026: 80% on-time (111 flights)80February 2026: 88% on-time (94 flights)88March 2026: 87% on-time (123 flights)87Mar 2026April 2026: 90% on-time (136 flights)90May 2026: 80% on-time (143 flights)80

Best time to fly from SEA to BUR

Aim for departures around 2 p.m. (92% on-time); avoid 7 p.m. departures (70%).

On-time percentage by scheduled departure hour, SEA to BUR6 a.m.: 91% on-time (172 flights)67 a.m.: 88% on-time (108 flights)78 a.m.: 87% on-time (400 flights)89 a.m.: 85% on-time (188 flights)910 a.m.: 76% on-time (379 flights)1011 a.m.: 75% on-time (67 flights)1112 p.m.: 76% on-time (240 flights)121 p.m.: 70% on-time (237 flights)132 p.m.: 92% on-time (63 flights)143 p.m.: 70% on-time (332 flights)154 p.m.: 86% on-time (57 flights)165 p.m.: 77% on-time (295 flights)177 p.m.: 70% on-time (632 flights)19scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday76%11 min
Tuesdaybest81%8 min
Wednesday79%10 min
Thursday79%11 min
Friday74%14 min
Saturday80%11 min
Sunday74%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.

Based on 3,172 flights, 2024-062026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.