Flight Reliability
DL 1176 · Delta Air Lines
Baltimore → Salt Lake City (BWI–SLC)
83
Pretty Reliable
WanderNerd Reliability Score
- 82%
- Arrive within 15 minutes
- 5 min
- Average arrival delay
- 1.7%
- Cancelled
- 5 min early
- Median arrival delay
Based on 360 historical flights. Data through May 2026.
What the data says
Monday is the weak spot.
DL 1176 arrived on time 92% of the time on Thursdays. On Mondays: 78%.
A bit ahead of the BWI–SLC route.
DL 1176 arrived on time 82% of the time, versus 79% across the BWI–SLC route.
The breakdown
- Mon78%(50 flights)
- Tue84%(51 flights)
- Wed83%(52 flights)
- Thu92%(49 flights)
- Fri78%(51 flights)
- Sat78%(51 flights)
- Sun80%(50 flights)
65%
May
Jun 70% → May 65% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 70% | 30 |
| July 2025 | 90% | 31 |
| August 2025 | 94% | 31 |
| September 2025 | 93% | 30 |
| October 2025 | 90% | 31 |
| November 2025 | 81% | 26 |
| December 2025 | 59% | 29 |
| January 2026 | 83% | 29 |
| February 2026 | 89% | 26 |
| March 2026 | 77% | 31 |
| April 2026 | 93% | 29 |
| May 2026 | 65% | 31 |
- Departures on time
- 83%
- Diverted
- 0%
- Flights flown
- 354
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 360 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.