Flight Reliability
DL 5408 · Delta Air Lines
New York → Kansas City (JFK–MCI)
59
A Little Dicey
WanderNerd Reliability Score
- 68%
- Arrive within 15 minutes
- 12 min
- Average arrival delay
- 4.0%
- Cancelled
- 4 min early
- Median arrival delay
Based on 349 historical flights. Data through May 2026.
What the data says
3–6 PM has a slight edge.
Departures between 3–6 PM arrived on time 69% of the time, against 65% between 12–3 PM.
Sunday scaries are real for this one.
DL 5408 arrived on time 74% of the time on Fridays and just 55% on Sundays. That gap is worth planning around.
Lagging the Delta Air Lines network.
DL 5408 arrived on time 68% of the time, versus 81% across the Delta Air Lines network.
Keep a backup plan handy.
DL 5408 was cancelled 4.0% of the time. Typical for U.S. flights is around 1–2%.
The breakdown
- Mon72%(46 flights)
- Tue73%(48 flights)
- Wed69%(48 flights)
- Thu67%(48 flights)
- Fri74%(50 flights)
- Sat65%(48 flights)
- Sun55%(47 flights)
- 12–3 PM65%(74 flights)
- 3–6 PM69%(261 flights)
59%
May
Jun 52% → May 59% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 52% | 29 |
| July 2025 | 64% | 28 |
| August 2025 | 87% | 30 |
| September 2025 | 77% | 30 |
| October 2025 | 73% | 30 |
| November 2025 | 77% | 30 |
| December 2025 | 37% | 19 |
| January 2026 | 58% | 24 |
| February 2026 | 73% | 26 |
| March 2026 | 67% | 30 |
| April 2026 | 77% | 30 |
| May 2026 | 59% | 29 |
- Departures on time
- 77%
- Diverted
- 0%
- Flights flown
- 335
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 349 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.