Flight Reliability
B6 394 · JetBlue Airways
Denver → Boston (DEN–BOS)
65
Usually Fine
WanderNerd Reliability Score
- 70%
- Arrive within 15 minutes
- 18 min
- Average arrival delay
- 2.2%
- Cancelled
- 3 min early
- Median arrival delay
Based on 319 historical flights. Data through May 2026.
What the data says
12–3 PM has a slight edge.
Departures between 12–3 PM arrived on time 70% of the time, against 64% between 3–6 PM.
Friday is doing you no favors.
B6 394 arrived on time 82% of the time on Saturdays and just 63% on Fridays. That gap is worth planning around.
A bit behind the JetBlue Airways network.
B6 394 arrived on time 70% of the time, versus 73% across the JetBlue Airways network.
Ticking up lately.
B6 394 arrived on time 71% of the time over the last three months in the data, compared with 65% in the three months before that.
The breakdown
- Mon64%(45 flights)
- Tue67%(48 flights)
- Wed75%(48 flights)
- Thu65%(46 flights)
- Fri63%(46 flights)
- Sat82%(34 flights)
- Sun73%(45 flights)
- 9 AM–12 PM—(3 flights)
- 12–3 PM70%(265 flights)
- 3–6 PM64%(44 flights)
77%
May
Jun 67% → May 77% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 67% | 30 |
| July 2025 | 60% | 30 |
| August 2025 | 94% | 31 |
| September 2025 | 63% | 30 |
| October 2025 | 71% | 31 |
| November 2025 | 68% | 22 |
| December 2025 | 67% | 27 |
| January 2026 | 72% | 29 |
| February 2026 | 57% | 23 |
| March 2026 | 70% | 27 |
| April 2026 | 67% | 15 |
| May 2026 | 77% | 17 |
- Departures on time
- 68%
- Diverted
- 0%
- Flights flown
- 312
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 319 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.