Flight profile · United Airlines
UA1673
Cleveland (CLE) to Chicago (ORD) · scheduled 6:00 PM – 6:26 PM
How UA1673 performs
860 operations, January 2024 – July 2026.
UA1673 arrived on time 60.6% of the time, against 80.0% for all CLE → ORD flights, so this departure is 19.4 percentage points worse than the route as a whole. Against United Airlines’ own flights on this route it is 22.3 points worse.
Source: US DOT Bureau of Transportation Statistics · 860 operations, January 2024 – July 2026 · If UA1673 is cancelled or significantly changed, DOT’s automatic refund rule may entitle you to your money back. The refund checker walks through eligibility.
What stands out
How UA1673 compares to other flight numbers, not just to itself.
This flight runs unusually far behind the carrier's own average on this route, worse than 99% of 11,589 comparable flight numbers.
60.6% on time for this specific departure, against 82.9% for the same carrier's other flights on this route.
Source: FlyerIntel analysis of US DOT BTS data · January 2024 – July 2026 · The one thing about this specific departure that ranks most extreme against every other published flight number, out of everything FlyerIntel checks — shown only when something clears a real statistical bar, not for every flight.
Where UA1673 is right now
A live reading, only if you ask for it. It is not part of the reliability record above.
Ask for the position of UA1673 right now, if receivers on the ground are hearing it. Nothing is requested until you press the button.
Against the rest of the route
| Flight or route | On time | Cancelled | Median delay | Severe | Flights |
|---|---|---|---|---|---|
| UA1673 | 60.6% | 1.98% | 7 min | 12.0% | 860 |
| United Airlines on CLE → ORD | 82.9% | 1.19% | -7 min | 5.8% | 6,065 |
| All CLE → ORD flights | 80.0% | 2.28% | -7 min | 7.8% | 11,745 |
Source: FlyerIntel analysis of US DOT BTS data · January 2024 – July 2026
Why UA1673 runs late
Where US DOT attributed the delay minutes on this flight.
airspace and airport capacity, including weather-driven flow control
the inbound aircraft was late, so this flight started late
crew, maintenance, boarding and fueling, all within the carrier’s control
weather severe enough to stop this flight specifically
Share of the delay minutes US DOT attributed to each cause for UA1673 on CLE → ORD. Only delays of 15 minutes or more are attributed.
Source: US DOT Bureau of Transportation Statistics · Data covering January 2024 – July 2026
Does a late aircraft delay this flight?
How often the plane that flies UA1673 comes in late, and what that does to the departure.
When the aircraft came in 15 or more minutes late, UA1673 pushed back an average of 65 minutes late; when it came in on time or early, an average of 4 minutes late.
Each departure is matched to the flight the same aircraft flew into CLE just before it, using the tail number in the DOT file, 821 of 844 departures in all. A departure is left out when that flight is unknown, was cancelled or diverted, or the aircraft had sat for more than 12 hours. A flight the airline cancelled never left and is not in the count, and one flown by a substitute aircraft is matched to the aircraft that flew it, not to the one first planned.
Against the network at the same turn length
| Share of departures | Inbound landed 15+ late | Left 15+ late after a late inbound | Left 15+ late after an on-time inbound |
|---|---|---|---|
| UA1673 | 19% | 76% | 8% |
| Network, same turn | 17% | 68% | 9% |
The schedule leaves a normal turn: enough time to clean and board if the aircraft is on time, little to spare if it is not.
The network row is every flight with a scheduled turn of 60 to 89 minutes. How often UA1673’s aircraft landed 15 or more minutes late is about the same as the network’s and, once the aircraft was late, how often UA1673 left 15 or more minutes late is higher than the network’s.
More: Which Flight Numbers Pay for a Late Aircraft lists the flight numbers that pass a late aircraft on.
Source: US DOT Bureau of Transportation Statistics · Data covering January 2024 – July 2026
From pushback to gate
When it leaves CLE late, does that still matter by the time it reaches ORD?
UA1673 pushes back an average of 16.4 minutes late and arrives a further 7.6 minutes behind that. This departure loses ground between the two gates rather than recovering it, so a late pushback here tends to get worse on the way, not better. It spends 17.4 minutes on the taxiways at CLE, 1.3 minutes longer than a typical CLE departure in the same hour.
On arrival at ORD, UA1673 spends 26.0 min taxiing from touchdown to the gate — ground time a connecting passenger sits through before they can even leave the aircraft, on top of however late the flight itself ran. That is 8.2 minutes longer than a typical ORD arrival (17.8 min).
Departure delay is averaged over every pushback and arrival delay over every completed arrival, so the two counts differ by the flights that never reached ORD. Taxi-out is gate to wheels up and sits inside the scheduled block rather than on top of it; the comparison is 7,272 departures from CLE scheduled in the clock hour UA1673 most often leaves in. Taxi-in is landing to gate, compared against every arrival FlyerIntel has on file at ORD (952,666 flights), not just UA1673’s own. More on taxi time.
Source: FlyerIntel analysis of US DOT BTS data · January 2024 – July 2026
The hour it leaves CLE
Part of any flight’s record belongs to the clock rather than to the flight. UA1673 has one departure time, so this is what that time is worth.
On-time arrival rate. 7,272 departures from CLE are scheduled in the 6 PM–7 PM hour over the period, against 126,883 across the whole day.
UA1673 is scheduled out of CLE at 6:00 PM, in the 6 PM–7 PM bank. Departures from CLE in that hour arrive on time 69.4% of the time against 80.9% across the airport’s whole day — the slot alone is worth 11.5 points worse before anything about this particular flight is considered.
The two airport figures cover every departure from CLE to every destination, so they describe the slot rather than this journey — the like-for-like comparison against the route is above. Hours are scheduled local, and a number whose schedule moved between banks inside the period has no single hour and is not described here at all. Why the hour matters.
Source: FlyerIntel analysis of US DOT BTS data · January 2024 – July 2026 · Hours below 120 departures are not scored.
By day of week
Does UA1673 run worse on particular days?
Monday is historically the most reliable day and Sunday the least, a gap of 14.4 percentage points.
Source: FlyerIntel analysis of US DOT BTS data · January 2024 – July 2026 · Days with fewer than 120 operations are not scored.
Other routes UA1673 has flown
A flight number is a slot in a schedule, and carriers reassign it. These are the other city pairs this number served in the analysis period.
| Route | Operated | Flights | On time |
|---|---|---|---|
| ORD→DFW Chicago to Dallas–Fort Worth | March 31, 2024 – July 31, 2026 | 384 | 60.5% |
| IAD→CLE Washington to Cleveland | March 29, 2026 – April 29, 2026 | 27 | — |
| EWR→CLE Newark to Cleveland | October 26, 2025 – December 17, 2025 | 46 | — |
| ORD→SFO Chicago to San Francisco | October 28, 2023 – November 15, 2025 | 4 | — |
| PIT→ORD Pittsburgh to Chicago | September 25, 2025 – October 24, 2025 | 26 | — |
| SFO→CLE San Francisco to Cleveland | August 19, 2025 – September 24, 2025 | 37 | — |
| ORD→SNA Chicago to Santa Ana | July 2, 2023 – July 31, 2025 | 170 | 91.5% |
| ORD→PDX Chicago to Portland | May 22, 2025 – June 25, 2025 | 35 | — |
| ORD→LAX Chicago to Los Angeles | May 1–21, 2025 | 21 | — |
| RSW→CLE Fort Myers to Cleveland | December 19, 2024 – January 6, 2025 | 19 | — |
| ORD→MSY Chicago to New Orleans | October 27, 2024 – December 2, 2024 | 35 | — |
| ORD→LGA Chicago to New York | September 26, 2024 – October 26, 2024 | 31 | — |
| IAH→CLE Houston to Cleveland | September 26, 2024 – October 26, 2024 | 26 | — |
| BNA→ORD Nashville to Chicago | November 28, 2023 – December 20, 2023 | 20 | — |
| ORD→JAX Chicago to Jacksonville | October 29, 2023 – November 27, 2023 | 28 | — |
| MSN→ORD Madison to Chicago | July 2–31, 2023 | 24 | — |
Because the same number has served different journeys, the statistics above describe only the route UA1673 currently operates. Blending them would produce an average of two different flights.
When it goes wrong
The average describes a usual day. This is the day that ruins a connection.
74 min late
against a median of 7 min late
UA1673 has an average that understates its risk: a typical arrival is 7 min late, but the worst tenth are 67 minutes worse than that. If the trip has something unmissable at the end of it, the median is the wrong number to plan against.
Percentiles over 860 operations; cancelled and diverted flights are counted separately.
Source: US DOT Bureau of Transportation Statistics · Data covering January 2024 – July 2026
Other flights on this route
Same airports, same journey, different odds of arriving on time.
| Flight | Airline | On time | Median arrival | Operations |
|---|---|---|---|---|
| UA609 | United Airlines | 90.0% | 12 min early | 826 |
| UA1673 this flight | United Airlines | 60.6% | 7 min late | 860 |
Every departure listed carries at least 600 operations, so the comparison is between figures that mean something. UA1673 is placed in the same ordering rather than left out of it; the rows around it are the most punctual departures on the route, not all of them, so this is a comparison and not a rank. Schedules change; confirm the departure still operates before booking around this.
Data and methodology
Calculated by FlyerIntel from 860 records of UA1673 operating CLE → ORD, published by the US DOT Bureau of Transportation Statistics. A flight counts as delayed when it arrives 15 or more minutes after schedule. Cancelled and diverted flights are excluded from the on-time rate and reported separately. Flight numbers are resolved as carrier plus number plus route, because the same number serves different routes over time.
Full methodology · Data sources · Report a problem
Related research: Most and Least Reliable Flight Numbers · The Delay You Inherit · Making Up Time in the Air
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