BOS → SEA JetBlue Airways

JetBlue Airways · Boston, MA to Seattle, WA · 247 flights, 2025-07-01 to 2026-06-30 · aggregated across 2 flight numbers

This route runs much more reliably at some times of day than others — 88% on-time departing 6–9am vs. 52% departing 6–9pm.
On-time arrival
76%
Median delay
-10 min
90th percentile
+76 min
Cancellation rate
0%

How on-time is JetBlue Airways from BOS to SEA?

Across every JetBlue Airways flight number on BOS → SEA (247 flights, 2025-07-01 to 2026-06-30), 76% arrived within 15 minutes of schedule. Median arrival delay -10 min; the worst 10% ran +76 min or later. 0% were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time18676%
16-30 min187%
31-60 min125%
61-120 min208%
2+ hrs104%

Performance by month

MonthFlightsOn-timeAvg delay
2025-076152%+29 min
2025-086281%+4 min
2025-093297%-27 min
2025-102588%-14 min
2026-051889%-9 min
2026-064873%+11 min

Performance by day of week

DayFlightsOn-time
Mon3586%
Tue3683%
Wed3485%
Thu3569%
Fri3669%
Sat3571%
Sun3566%

B6 flight numbers on BOS → SEA

Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…