Flight Reliability
B6 623 · JetBlue Airways
New York → Los Angeles (JFK–LAX)
77
Usually Fine
WanderNerd Reliability Score
- 75%
- Arrive within 15 minutes
- 4 min
- Average arrival delay
- 1.7%
- Cancelled
- 2 min early
- Median arrival delay
Based on 174 historical flights. Data through May 2026.
What the data says
Morning flights do better here.
B6 623 departing between 6–9 AM arrived on time 93% of the time, versus 60% between 6–9 PM.
Sunday scaries are real for this one.
B6 623 arrived on time 92% of the time on Tuesdays and just 62% on Sundays. That gap is worth planning around.
A bit behind the JFK–LAX route.
B6 623 arrived on time 75% of the time, versus 79% across the JFK–LAX route.
Trending in the right direction.
B6 623 arrived on time 84% of the time over the last three months in the data, compared with 66% in the three months before that.
The breakdown
- Mon68%(25 flights)
- Tue92%(24 flights)
- Wed79%(24 flights)
- Thu75%(24 flights)
- Fri84%(25 flights)
- Sat70%(23 flights)
- Sun62%(26 flights)
- 6–9 AM93%(15 flights)
- 9 AM–12 PM76%(136 flights)
- 6–9 PM60%(20 flights)
86%
May
Nov 86% → May 86% on time
| Month | On-time percentage | Flights |
|---|---|---|
| November 2025 | 86% | 28 |
| December 2025 | 53% | 30 |
| February 2026 | 60% | 15 |
| March 2026 | 83% | 29 |
| April 2026 | 83% | 30 |
| May 2026 | 86% | 28 |
- Departures on time
- 80%
- Diverted
- 0%
- Flights flown
- 171
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 174 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.