Flight Reliability
B6 319 · JetBlue Airways
Boston → San Diego (BOS–SAN)94% of its flights flew this route. The rest (JFK–ATL, BQN–MCO) are included in these numbers.
91
Nerd Approved
WanderNerd Reliability Score
- 85%
- Arrive within 15 minutes
- 4 min early
- Average arrival delay
- 0%
- Cancelled
- 15 min early
- Median arrival delay
Based on 168 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
B6 319 arrived on time 100% of the time on Tuesdays and just 76% on Sundays. That gap is worth planning around.
A bit ahead of the BOS–SAN route.
B6 319 arrived on time 85% of the time, versus 79% across the BOS–SAN route.
Better than the JetBlue Airways network average.
B6 319 arrived on time 85% of the time, versus 73% across the JetBlue Airways network.
It basically never cancels.
Out of 168 scheduled flights, only 0.0% were cancelled.
The breakdown
- Mon88%(24 flights)
- Tue100%(22 flights)
- Wed91%(22 flights)
- Thu76%(25 flights)
- Fri80%(25 flights)
- Sat88%(24 flights)
- Sun76%(25 flights)
- 3–6 AM—(1 flights)
- 3–6 PM86%(164 flights)
- 6–9 PM—(2 flights)
100%
May
Jun 90% → May 100% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 90% | 30 |
| July 2025 | 87% | 31 |
| August 2025 | 94% | 31 |
| September 2025 | 72% | 29 |
| October 2025 | 84% | 25 |
| May 2026 | 100% | 11 |
- Departures on time
- 85%
- Diverted
- 0.6%
- Flights flown
- 167
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 168 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.