Flight Reliability
DL 4934 · Delta Air Lines
Minneapolis → CWA (MSP–CWA)
82
Pretty Reliable
WanderNerd Reliability Score
- 79%
- Arrive within 15 minutes
- 4 min
- Average arrival delay
- 1.4%
- Cancelled
- 11 min early
- Median arrival delay
Based on 364 historical flights. Data through May 2026.
What the data says
Mondays have been rough.
DL 4934 arrived on time 88% of the time on Saturdays and just 73% on Mondays. That gap is worth planning around.
Trending in the right direction.
DL 4934 arrived on time 79% of the time over the last three months in the data, compared with 70% in the three months before that.
The breakdown
- Mon73%(52 flights)
- Tue82%(51 flights)
- Wed79%(52 flights)
- Thu75%(51 flights)
- Fri84%(51 flights)
- Sat88%(51 flights)
- Sun75%(51 flights)
87%
May
Jun 70% → May 87% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 70% | 30 |
| July 2025 | 77% | 31 |
| August 2025 | 94% | 31 |
| September 2025 | 87% | 30 |
| October 2025 | 90% | 31 |
| November 2025 | 90% | 29 |
| December 2025 | 62% | 29 |
| January 2026 | 65% | 31 |
| February 2026 | 82% | 28 |
| March 2026 | 82% | 28 |
| April 2026 | 67% | 30 |
| May 2026 | 87% | 31 |
- Departures on time
- 81%
- Diverted
- 0%
- Flights flown
- 359
- 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.