Flight Reliability
DL 4136 · Delta Air Lines
MOT → Minneapolis (MOT–MSP)91% of its flights flew this route. The rest (CMH–DTW, DTW–CMH) are included in these numbers.
86
Pretty Reliable
WanderNerd Reliability Score
- 83%
- Arrive within 15 minutes
- 8 min
- Average arrival delay
- 1.1%
- Cancelled
- 9 min early
- Median arrival delay
Based on 186 historical flights. Data through May 2026.
What the data says
12–3 PM has a slight edge.
Departures between 12–3 PM arrived on time 88% of the time, against 82% between 6–9 AM.
Skip Thursday if you can.
DL 4136 arrived on time 88% of the time on Saturdays. On Thursdays: 75%.
The breakdown
- Mon83%(24 flights)
- Tue83%(24 flights)
- Wed88%(24 flights)
- Thu75%(24 flights)
- Fri77%(31 flights)
- Sat88%(25 flights)
- Sun84%(32 flights)
- 6–9 AM82%(168 flights)
- 12–3 PM88%(16 flights)
90%
May
Sep 83% → May 90% on time
| Month | On-time percentage | Flights |
|---|---|---|
| September 2025 | 83% | 12 |
| December 2025 | 75% | 12 |
| January 2026 | 74% | 31 |
| February 2026 | 93% | 28 |
| March 2026 | 70% | 30 |
| April 2026 | 83% | 30 |
| May 2026 | 90% | 30 |
- Departures on time
- 86%
- Diverted
- 0%
- Flights flown
- 184
- Months covered
- 9
Same route, other flights
Keep nerding
Based on 186 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.