Flight Reliability
DL 5697 · Delta Air Lines
Richmond → Boston (RIC–BOS)83% of its flights flew this route. The rest (PWM–DTW, LEX–DTW) are included in these numbers.
- 89%
- Arrive within 15 minutes
- 5 min early
- Average arrival delay
- 0.8%
- Cancelled
- 15 min early
- Median arrival delay
Based on 364 historical flights. Data through May 2026.
What the data says
Morning flights do better here.
DL 5697 departing between 6–9 AM arrived on time 91% of the time, versus 79% between 12–3 PM.
Mondays have been rough.
DL 5697 arrived on time 94% of the time on Tuesdays and just 78% on Mondays. That gap is worth planning around.
Better than the RIC–BOS route average.
DL 5697 arrived on time 89% of the time, versus 79% across the RIC–BOS route.
Better than the Delta Air Lines network average.
DL 5697 arrived on time 89% of the time, versus 81% across the Delta Air Lines network.
The breakdown
- Mon78%(50 flights)
- Tue94%(52 flights)
- Wed90%(52 flights)
- Thu90%(52 flights)
- Fri92%(51 flights)
- Sat86%(51 flights)
- Sun91%(53 flights)
- 6–9 AM91%(302 flights)
- 9 AM–12 PM—(2 flights)
- 12–3 PM79%(56 flights)
- 6–9 PM—(1 flights)
Jun 97% → May 94% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 97% | 30 |
| July 2025 | 100% | 30 |
| August 2025 | 90% | 31 |
| September 2025 | 87% | 30 |
| October 2025 | 90% | 30 |
| November 2025 | 83% | 30 |
| December 2025 | 87% | 31 |
| January 2026 | 73% | 30 |
| February 2026 | 85% | 27 |
| March 2026 | 90% | 31 |
| April 2026 | 90% | 30 |
| May 2026 | 94% | 31 |
- Departures on time
- 90%
- Diverted
- 0%
- Flights flown
- 361
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 364 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.