Flight Reliability
DL 454 · Delta Air Lines
Dallas–Fort Worth → New York (DFW–JFK)
78
Usually Fine
WanderNerd Reliability Score
- 91%
- Arrive within 15 minutes
- 8 min early
- Average arrival delay
- 5.2%
- Cancelled
- 16 min early
- Median arrival delay
Based on 365 historical flights. Data through May 2026.
What the data says
Wednesday is the weak spot.
DL 454 arrived on time 98% of the time on Fridays. On Wednesdays: 85%.
Better than the DFW–JFK route average.
DL 454 arrived on time 91% of the time, versus 78% across the DFW–JFK route.
Better than the Delta Air Lines network average.
DL 454 arrived on time 91% of the time, versus 81% across the Delta Air Lines network.
Keep a backup plan handy.
DL 454 was cancelled 5.2% of the time. Typical for U.S. flights is around 1–2%.
The breakdown
- Mon89%(47 flights)
- Tue88%(50 flights)
- Wed85%(52 flights)
- Thu92%(48 flights)
- Fri98%(50 flights)
- Sat90%(49 flights)
- Sun92%(50 flights)
- 6–9 AM90%(342 flights)
- 9 AM–12 PM—(4 flights)
97%
May
Jun 90% → May 97% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 90% | 30 |
| July 2025 | 90% | 30 |
| August 2025 | 90% | 29 |
| September 2025 | 93% | 29 |
| October 2025 | 90% | 30 |
| November 2025 | 83% | 29 |
| December 2025 | 78% | 27 |
| January 2026 | 96% | 27 |
| February 2026 | 96% | 26 |
| March 2026 | 86% | 29 |
| April 2026 | 97% | 30 |
| May 2026 | 97% | 30 |
- Departures on time
- 88%
- Diverted
- 0%
- Flights flown
- 346
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 365 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.