Flight Reliability
AS 35 · Alaska Airlines
New York → San Diego (JFK–SAN)96% of its flights flew this route. The rest (SFO–JFK) are included in these numbers.
80
Pretty Reliable
WanderNerd Reliability Score
- 79%
- Arrive within 15 minutes
- 7 min
- Average arrival delay
- 1.8%
- Cancelled
- 1 min early
- Median arrival delay
Based on 274 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
AS 35 arrived on time 92% of the time on Tuesdays and just 67% on Sundays. That gap is worth planning around.
Trending in the right direction.
AS 35 arrived on time 98% of the time over the last three months in the data, compared with 72% in the three months before that.
The breakdown
- Mon69%(39 flights)
- Tue92%(39 flights)
- Wed89%(37 flights)
- Thu74%(39 flights)
- Fri80%(39 flights)
- Sat81%(37 flights)
- Sun67%(39 flights)
- 9 AM–12 PM79%(260 flights)
- 9 PM–12 AM—(9 flights)
100%
May
Jun 89% → May 100% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 89% | 28 |
| July 2025 | 75% | 28 |
| August 2025 | 81% | 31 |
| September 2025 | 69% | 29 |
| October 2025 | 65% | 31 |
| November 2025 | 86% | 29 |
| December 2025 | 65% | 31 |
| March 2026 | 100% | 14 |
| April 2026 | 93% | 30 |
| May 2026 | 100% | 12 |
- Departures on time
- 89%
- Diverted
- 0%
- Flights flown
- 269
- Months covered
- 11
Same route, other flights
Keep nerding
Based on 274 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.