Flight Reliability
AS 1436 · Alaska Airlines
Seattle → Boston (SEA–BOS)88% of its flights flew this route. The rest (BOI–PHX, SEA–ONT) are included in these numbers.
Not enough history
Only 17 flights in the data. We don't publish a score on samples this small.
- 88%
- Arrive within 15 minutes
- 17 min early
- Average arrival delay
- 0%
- Cancelled
- 21 min early
- Median arrival delay
Based on 17 historical flights. Data through May 2026.We don't have enough history to call this one yet. Under 30 flights is an anecdote, not a statistic.
The breakdown
- Mon—(3 flights)
- Tue—(2 flights)
- Wed—(4 flights)
- Thu—(2 flights)
- Fri—(2 flights)
- Sat—(2 flights)
- Sun—(2 flights)
- 6–9 AM86%(14 flights)
- 9 AM–12 PM—(1 flights)
- 3–6 PM—(1 flights)
- 9 PM–12 AM—(1 flights)
- Departures on time
- 94%
- Diverted
- 0%
- Flights flown
- 17
- Months covered
- 5
Same route, other flights
Keep nerding
Based on 17 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.