Flight Reliability
B6 308 · JetBlue Airways
New York → Portland (JFK–PWM)
33
Bring Snacks
WanderNerd Reliability Score
- 60%
- Arrive within 15 minutes
- 26 min
- Average arrival delay
- 6.8%
- Cancelled
- 2 min
- Median arrival delay
Based on 191 historical flights. Data through May 2026.
What the data says
The late departure is the smart one here.
B6 308 departing between 6–9 PM arrived on time 67% of the time, versus 59% between 9 PM–12 AM.
Thursday is the weak spot.
B6 308 arrived on time 68% of the time on Tuesdays. On Thursdays: 54%.
Well behind the JFK–PWM route.
B6 308 arrived on time 60% of the time, versus 77% across the JFK–PWM route.
Lagging the JetBlue Airways network.
B6 308 arrived on time 60% of the time, versus 73% across the JetBlue Airways network.
The breakdown
- Mon64%(28 flights)
- Tue68%(22 flights)
- Wed58%(19 flights)
- Thu54%(28 flights)
- Fri62%(29 flights)
- Sat61%(23 flights)
- Sun55%(29 flights)
- 6–9 PM67%(21 flights)
- 9 PM–12 AM59%(157 flights)
73%
May
Jun 48% → May 73% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 48% | 23 |
| July 2025 | 10% | 20 |
| August 2025 | 62% | 29 |
| September 2025 | 61% | 18 |
| October 2025 | 72% | 25 |
| April 2026 | 80% | 30 |
| May 2026 | 73% | 30 |
- Departures on time
- 57%
- Diverted
- 0%
- Flights flown
- 178
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 191 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.