Flight Reliability
AS 547 · Alaska Airlines
Seattle → Cleveland (SEA–CLE)89% of its flights flew this route. The rest (SFO–BOS) are included in these numbers.
- 73%
- Arrive within 15 minutes
- 10 min
- Average arrival delay
- 0%
- Cancelled
- 3 min
- Median arrival delay
Based on 104 historical flights. Data through May 2026.
What the data says
The late departure is the smart one here.
AS 547 departing between 6–9 PM arrived on time 100% of the time, versus 70% between 9 PM–12 AM.
Friday is doing you no favors.
AS 547 arrived on time 83% of the time on Tuesdays and just 63% on Fridays. That gap is worth planning around.
Lagging the Alaska Airlines network.
AS 547 arrived on time 73% of the time, versus 80% across the Alaska Airlines network.
It basically never cancels.
Out of 104 scheduled flights, only 0.0% were cancelled.
The breakdown
- Mon72%(18 flights)
- Tue83%(12 flights)
- Wed82%(11 flights)
- Thu78%(18 flights)
- Fri63%(16 flights)
- Sat64%(11 flights)
- Sun72%(18 flights)
- 6–9 PM100%(11 flights)
- 9 PM–12 AM70%(93 flights)
Jun 80% → Sep 77% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 80% | 30 |
| July 2025 | 77% | 30 |
| August 2025 | 58% | 26 |
| September 2025 | 77% | 17 |
- Departures on time
- 71%
- Diverted
- 0%
- Flights flown
- 104
- Months covered
- 5
Same route, other flights
Keep nerding
Based on 104 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.