Flight Reliability
AS 298 · Alaska Airlines
Seattle → Newark (SEA–EWR)
80
Pretty Reliable
WanderNerd Reliability Score
- 90%
- Arrive within 15 minutes
- 12 min early
- Average arrival delay
- 3.8%
- Cancelled
- 20 min early
- Median arrival delay
Based on 313 historical flights. Data through May 2026.
What the data says
Thursday is the weak spot.
AS 298 arrived on time 95% of the time on Wednesdays. On Thursdays: 85%.
Better than the SEA–EWR route average.
AS 298 arrived on time 90% of the time, versus 81% across the SEA–EWR route.
Better than the Alaska Airlines network average.
AS 298 arrived on time 90% of the time, versus 80% across the Alaska Airlines network.
Keep a backup plan handy.
AS 298 was cancelled 3.8% of the time. Typical for U.S. flights is around 1–2%.
The breakdown
- Mon88%(49 flights)
- Tue93%(43 flights)
- Wed95%(42 flights)
- Thu85%(46 flights)
- Fri92%(47 flights)
- Sat92%(24 flights)
- Sun85%(48 flights)
90%
May
Jun 100% → May 90% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 100% | 19 |
| July 2025 | 75% | 28 |
| August 2025 | 83% | 30 |
| September 2025 | 92% | 26 |
| October 2025 | 92% | 26 |
| November 2025 | 95% | 20 |
| December 2025 | 96% | 26 |
| January 2026 | 77% | 17 |
| February 2026 | 89% | 18 |
| March 2026 | 90% | 29 |
| April 2026 | 97% | 30 |
| May 2026 | 90% | 30 |
- Departures on time
- 88%
- Diverted
- 0.6%
- Flights flown
- 299
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 313 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.