Flight Reliability
DL 4898 · Delta Air Lines
Detroit → Indianapolis (DTW–IND)95% of its flights flew this route. The rest (ATL–FAY) are included in these numbers.
- 69%
- Arrive within 15 minutes
- 18 min
- Average arrival delay
- 2.5%
- Cancelled
- 3 min early
- Median arrival delay
Based on 320 historical flights. Data through May 2026.
What the data says
The late departure is the smart one here.
DL 4898 departing between 9 PM–12 AM arrived on time 87% of the time, versus 68% between 6–9 PM.
Sunday scaries are real for this one.
DL 4898 arrived on time 80% of the time on Saturdays and just 56% on Sundays. That gap is worth planning around.
Lagging the DTW–IND route.
DL 4898 arrived on time 69% of the time, versus 77% across the DTW–IND route.
Lagging the Delta Air Lines network.
DL 4898 arrived on time 69% of the time, versus 81% across the Delta Air Lines network.
The breakdown
- Mon69%(45 flights)
- Tue68%(47 flights)
- Wed73%(45 flights)
- Thu67%(45 flights)
- Fri69%(45 flights)
- Sat80%(40 flights)
- Sun56%(45 flights)
- 3–6 PM—(3 flights)
- 6–9 PM68%(294 flights)
- 9 PM–12 AM87%(15 flights)
Jun 46% → May 72% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 46% | 26 |
| July 2025 | 70% | 30 |
| August 2025 | 90% | 31 |
| September 2025 | 63% | 30 |
| October 2025 | 81% | 31 |
| November 2025 | 73% | 26 |
| December 2025 | 62% | 29 |
| January 2026 | 57% | 30 |
| February 2026 | 71% | 28 |
| April 2026 | 69% | 16 |
| May 2026 | 72% | 29 |
- Departures on time
- 67%
- Diverted
- 0%
- Flights flown
- 312
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 320 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.