Flight Reliability
DL 3555 · Delta Air Lines
FWA → Atlanta (FWA–ATL)99% of its flights flew this route. The rest (LFT–ATL) are included in these numbers.
91
Nerd Approved
WanderNerd Reliability Score
- 91%
- Arrive within 15 minutes
- 6 min early
- Average arrival delay
- 1.5%
- Cancelled
- 13 min early
- Median arrival delay
Based on 197 historical flights. Data through May 2026.
What the data says
The 6–9 AM departure wins.
DL 3555 departing between 6–9 AM arrived on time 93% of the time, versus 69% between 3–6 AM.
Friday is doing you no favors.
DL 3555 arrived on time 96% of the time on Tuesdays. On Fridays: 86%.
Better than the FWA–ATL route average.
DL 3555 arrived on time 91% of the time, versus 80% across the FWA–ATL route.
Better than the Delta Air Lines network average.
DL 3555 arrived on time 91% of the time, versus 81% across the Delta Air Lines network.
The breakdown
- Mon86%(28 flights)
- Tue96%(28 flights)
- Wed93%(28 flights)
- Thu89%(28 flights)
- Fri86%(28 flights)
- Sat96%(27 flights)
- Sun92%(26 flights)
- 3–6 AM69%(16 flights)
- 6–9 AM93%(177 flights)
65%
Dec
Jun 100% → Dec 65% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 100% | 25 |
| July 2025 | 94% | 31 |
| August 2025 | 97% | 31 |
| September 2025 | 90% | 30 |
| October 2025 | 97% | 31 |
| November 2025 | 86% | 28 |
| December 2025 | 65% | 17 |
- Departures on time
- 93%
- Diverted
- 0.5%
- Flights flown
- 193
- Months covered
- 7
Same route, other flights
Keep nerding
Based on 197 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.