Flight Reliability
AS 428 · Alaska Airlines
Cincinnati → Seattle (CVG–SEA)84% of its flights flew this route. The rest (PDX–DEN, SAN–KOA) are included in these numbers.
63
A Little Dicey
WanderNerd Reliability Score
- 60%
- Arrive within 15 minutes
- 19 min
- Average arrival delay
- 0%
- Cancelled
- 6 min
- Median arrival delay
Based on 82 historical flights. Data through May 2026.
What the data says
Thursdays have been rough.
AS 428 arrived on time 67% of the time on Mondays and just 36% on Thursdays. That gap is worth planning around.
Lagging the CVG–SEA route.
AS 428 arrived on time 60% of the time, versus 74% across the CVG–SEA route.
Well behind the Alaska Airlines network.
AS 428 arrived on time 60% of the time, versus 80% across the Alaska Airlines network.
The breakdown
- Mon67%(12 flights)
- Tue67%(12 flights)
- Wed67%(12 flights)
- Thu36%(11 flights)
- Fri50%(12 flights)
- Sat64%(11 flights)
- Sun67%(12 flights)
- 6–9 AM60%(80 flights)
- 9 AM–12 PM—(1 flights)
- 3–6 PM—(1 flights)
37%
Aug
Jun 57% → Aug 37% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 57% | 30 |
| July 2025 | 77% | 31 |
| August 2025 | 37% | 19 |
- Departures on time
- 67%
- Diverted
- 0%
- Flights flown
- 82
- Months covered
- 5
Same route, other flights
Keep nerding
Based on 82 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.