Flight Reliability
B6 493 · JetBlue Airways
Boston → Denver (BOS–DEN)
87
Pretty Reliable
WanderNerd Reliability Score
- 89%
- Arrive within 15 minutes
- 8 min early
- Average arrival delay
- 2.6%
- Cancelled
- 12 min early
- Median arrival delay
Based on 76 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
B6 493 arrived on time 100% of the time on Mondays and just 75% on Fridays. That gap is worth planning around.
Better than the BOS–DEN route average.
B6 493 arrived on time 89% of the time, versus 77% across the BOS–DEN route.
Well ahead of the JetBlue Airways network.
B6 493 arrived on time 89% of the time, versus 73% across the JetBlue Airways network.
The breakdown
- Mon100%(11 flights)
- Tue92%(12 flights)
- Wed91%(11 flights)
- Thu77%(13 flights)
- Fri75%(12 flights)
- Sat—(2 flights)
- Sun100%(13 flights)
- 6–9 AM89%(63 flights)
- 9 AM–12 PM91%(11 flights)
91%
May
Jun 100% → May 91% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 100% | 10 |
| July 2025 | 77% | 26 |
| August 2025 | 96% | 25 |
| May 2026 | 91% | 11 |
- Departures on time
- 96%
- Diverted
- 0%
- Flights flown
- 74
- Months covered
- 5
Same route, other flights
Keep nerding
Based on 76 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.