Flight number record
DL 1176
Delta Air Lines · Baltimore to Salt Lake City
- Route
- BWI → SLC
- Departs
- 07:15
- Flights
- 360
- Period
- July 2025 to June 2026
Historical statistics for July 2025 to June 2026, not live status. For today’s DL 1176, check with Delta Air Lines.
DL 1176 lands a B, 3 points better than the national rate of 77.6%. About one flight in five arrives 15 minutes late or worse, and those flights are late by about an hour on average. That is a workable record, not a spotless one. That rests on 360 flights, with a median arrival 5 minutes early.
Key figures
On time
80.2%
Arrivals under 15 minutes late, of 354 completed flights
Avg delay
59 min
Across delayed arrivals only, not all flights
Cancelled
1.67%
National rate is 1.81%
1 hour+ late
4.8%
National rate is 8.1%
These figures cover 360 flights between July 2025 and June 2026. The median arrival is 5 minutes early, which is the part an average hides: most flights here are fine, and the on-time rate is decided by a tail of badly late ones. On-time means under 15 minutes late, the DOT's own threshold.
Schedule
When DL 1176 flies
DL 1176 flies BWI to SLC without a single fixed slot. Its most common scheduled departure was 07:15, used on 152 of 360 flights, with 07:00 (83 flights) and 07:10 (55 flights) next. Carriers retime flights through the season, so the rates here blend slightly different positions in the aircraft's day.
- Departs 07:15152 flights42.2%
- Departs 07:0083 flights23.1%
- Departs 07:1055 flights15.3%
Scale runs 0% to 100%. Rows with fewer than 30 flights show a dash.
Share of scheduled departures at each local time. Times used on fewer than one flight in ten are not listed.
A 07:15 departure sits in the 5am–8am window. Across every US flight scheduled in that window the on-time rate is 89.3%, and DL 1176 runs 9 points worse at 80.2%. Early departures usually start with an aircraft that has not flown yet that day, which is most of why the window does well.
Against the route
DL 1176 next to BWI to SLC
Every carrier on BWI to SLC combined arrived on time 77.0% of the time across 770 flights, so DL 1176 is 3 points ahead of it. Across its whole network Delta Air Lines managed 81.6%, close to this flight's figure.
| Compared with | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| DL 1176thin sample | 360 | 80.2% | 59 min | 1.67% | B |
| All Delta Air Lines on BWI–SLCthin sample | 360 | 80.2% | 59 min | 1.67% | B |
| All carriers on BWI–SLC | 770 | 77.0% | 55 min | 1.56% | B |
| Delta Air Lines, whole network | 1,038,570 | 81.6% | 71 min | 1.62% | B |
Across the year
DL 1176 quarter by quarter
DL 1176 did not run the same all year. Its best quarter was Jul–Sep 2025 at 92.4% on time and its weakest Apr–Jun 2026 at 68.9%, a swing of 24 points on roughly 90 flights a quarter. The twelve-month rate averages over that, so if you are flying in a weak quarter the quarter's own figure is the better guide.
- Jul–Sep 202592 flights92.4%
- Oct–Dec 202588 flights76.7%
- Jan–Mar 202689 flights82.6%
- Apr–Jun 202691 flights68.9%
Scale runs 60% to 100%. Rows with fewer than 30 flights show a dash.
By weekday, DL 1176 did best on Tuesday at 88.5% on time and worst on Friday at 72.5%. Each day rests on about 51 flights, so a gap of 16 points is worth noticing but could still narrow in another year.
Delay causes
Why DL 1176 runs late
One category carries most of the weight here. Carrier accounts for 56% of the 4,136 delay minutes carriers reported, and the remaining four split what is left. The split is by minutes rather than by flights, so a few very long delays count for as much as many short ones.
- 56%Carrier
- 22%Late-arriving aircraft
- 20%National Airspace System
- 2%Extreme weather
The largest share of delay minutes, 56%, falls under carrier control: crew scheduling, maintenance, fuelling, baggage. Unlike weather, that is a management outcome, and it is the category where the gap between two carriers on the same schedule is genuinely earned. It accounts for 2,314 of the 4,136 delay minutes reported here. The split is drawn from 4,136 delay minutes reported on DL 1176.
Cancellations sit at 1.67% against a national 1.81%, which is ordinary. Diversions add another 0.00%.
Connections and routes
What a delay on this flight costs
Badly late arrivals are rare here: only 4.8% land an hour or more behind schedule, against 8.1% nationally. Connections built on this flight are about as safe as US domestic connections get, though a cancelled flight still ignores every layover you give it.
At 1,865 miles this is transcontinental flying, and long routes get a quiet structural advantage. Scheduled block time on a flight this length carries more padding in absolute minutes, so a twenty-minute late departure often still becomes an on-time arrival. Read the on-time rate here as slightly flattering next to a short-haul route with the same operational quality.
Every one of the 360 flights under DL 1176 in the data flew BWI to SLC. The number was not reused on any other city pair, which makes this a clean record of one route.
One caution: this is a thin sample. 360 flights over twelve months is enough to clear this site's floor but not enough to pin the rate down tightly, and a single bad week moves it by more than a point. Treat the grade as a rough reading.
What to do with this
Booking DL 1176
For a booking, read DL 1176 as 80.2% on time with 1.67% cancelled over 360 flights. Those are rates from the past twelve months, not a forecast for any particular day.
Related
Where to go next
- BWI to SLC, every carrier and departure
- SLC to BWI, the return direction
- Baltimore/Washington International Thurgood Marshall (BWI) delay statistics
- Salt Lake City International (SLC) delay statistics
- Delta Air Lines on-time record
- Every Delta Air Lines flight number with a record
- The most and least reliable flight numbers in the US
- Worst months to fly in the US, ranked by the data
A flight number here means Delta Air Lines’s own number as it reports to the DOT. How the figures are computed is on the methodology page.
Source: US DOT Bureau of Transportation Statistics, on-time performance data, July 2025 to June 2026. Last updated 15 September 2026; recomputed monthly. How this data is collected.