Flight Reliability
DL 1493 · Delta Air Lines
Washington → Minneapolis (DCA–MSP)
85
Pretty Reliable
WanderNerd Reliability Score
- 80%
- Arrive within 15 minutes
- 6 min
- Average arrival delay
- 0.7%
- Cancelled
- 10 min early
- Median arrival delay
Based on 269 historical flights. Data through May 2026.
What the data says
Thursdays have been rough.
DL 1493 arrived on time 85% of the time on Tuesdays and just 69% on Thursdays. That gap is worth planning around.
Trending in the right direction.
DL 1493 arrived on time 86% of the time over the last three months in the data, compared with 66% in the three months before that.
The breakdown
- Mon82%(51 flights)
- Tue85%(52 flights)
- Wed—(3 flights)
- Thu69%(52 flights)
- Fri79%(52 flights)
- Sat82%(50 flights)
- Sun—(7 flights)
- 6–9 AM80%(266 flights)
- 3–6 PM—(1 flights)
91%
May
Jun 70% → May 91% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 70% | 23 |
| July 2025 | 78% | 23 |
| August 2025 | 74% | 23 |
| September 2025 | 96% | 22 |
| October 2025 | 96% | 22 |
| November 2025 | 95% | 21 |
| December 2025 | 54% | 26 |
| January 2026 | 74% | 23 |
| February 2026 | 70% | 20 |
| March 2026 | 81% | 21 |
| April 2026 | 86% | 21 |
| May 2026 | 91% | 22 |
- Departures on time
- 84%
- Diverted
- 0%
- Flights flown
- 267
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 269 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.