Flight number record
UA 689
United Airlines · Washington to Orlando
- Route
- IAD → MCO
- Departs
- 22:33
- Flights
- 322
- Period
- September 2025 to August 2026
Historical statistics for September 2025 to August 2026, not live status. For today’s UA 689, check with United Airlines.
UA 689 earns a B+. More than four flights in five arrive inside the 15-minute window the DOT uses to define an on-time arrival, which puts it 7 points better than the national rate of 77.3%. When something does go wrong the average delay runs about an hour. That rests on 322 flights, with a median arrival 7 minutes early.
Set against the rest of the country, UA 689's record is 7 points better than the US average of 77.3%. That gap is worth roughly 68 fewer late arrivals for every thousand flights.
Key figures
On time
84.1%
Arrivals under 15 minutes late, of 320 completed flights
Avg delay
56 min
Across delayed arrivals only, not all flights
Cancelled
0.62%
National rate is 1.89%
1 hour+ late
6.9%
National rate is 8.3%
These figures cover 322 flights between September 2025 and August 2026. The median arrival is 7 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.
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Schedule
When UA 689 flies
UA 689 flies IAD to MCO without a single fixed slot. Its most common scheduled departure was 22:33, used on 117 of 322 flights, with 22:15 (64 flights) and 22:22 (63 flights) next.
- Departs 22:33117 flights36.3%
- Departs 22:1564 flights19.9%
- Departs 22:2263 flights19.6%
Scale runs 0% to 100%.
Share of scheduled departures at each local time. Times used on fewer than one flight in ten are not listed.
A 22:33 departure sits in the 8pm–5am window. Across every US flight scheduled in that window the on-time rate is 70.1%, and UA 689 runs 14 points better at 84.1%. By that time of day most aircraft have flown several legs already, and whatever went wrong earlier is still in the schedule.
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Against the route
UA 689 next to IAD to MCO
Every carrier on IAD to MCO combined arrived on time 80.7% of the time across 2,180 flights, so UA 689 is 3 points ahead of it. United flew 1,874 flights on the same city pair under all its flight numbers, including this one, and those ran 82.5% on time. Across its whole network United Airlines managed 78.8%, which this flight beats by 5 points.
| Compared with | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| UA 689thin sample | 322 | 84.1% | 56 min | 0.62% | B+ |
| All United Airlines on IAD–MCO | 1,874 | 82.5% | 69 min | 0.91% | B+ |
| All carriers on IAD–MCO | 2,180 | 80.7% | 76 min | 1.10% | B |
| United Airlines, whole network | 830,825 | 78.8% | 73 min | 1.02% | B |
Across the year
UA 689 quarter by quarter
UA 689 did not run the same all year. Its best quarter was Jul–Sep 2025 at 93.3% on time and its weakest Jul–Sep 2026 at 79.5%, a swing of 14 points on roughly 64 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 202530 flights93.3%
- Oct–Dec 202590 flights81.1%
- Jan–Mar 202679 flights85.7%
- Apr–Jun 202679 flights84.8%
- Jul–Sep 202644 flights79.5%
Scale runs 70% to 100%.
By weekday, UA 689 did best on Tuesday at 100.0% on time and worst on Sunday at 76.5%. Each day rests on about 46 flights, so a gap of 24 points is worth noticing but could still narrow in another year.
Arrival by arrival
How late UA 689 runs when it is late
UA 689 often beats the schedule: 103 of 320 completed flights, 32%, arrived 15 minutes or more early. The 51 late arrivals split 20 under half an hour, 9 between 30 and 60 minutes, and 22 an hour or more.
- 15+ min early103 flights32.2%
- Within 15 min166 flights51.9%
- 15–29 min late20 flights6.3%
- 30–59 min late9 flights2.8%
- 1–2 hours late19 flights5.9%
- 2+ hours late3 flights0.9%
Scale runs 0% to 100%.
Share of 320 completed flights by arrival against schedule.
16 of 55 late departures made up the time and arrived on time, 29% of them. 12 flights left on time and still arrived late.
The worst days
Worst days for UA 689
The latest arrival of the period was on 20 May 2026, 3 hours 31 minutes behind schedule; most of its delay minutes were filed as carrier-caused (crew, maintenance, fuelling, baggage). The same cause led on three of the five worst days.
| Date | Arrived late by | Largest filed cause |
|---|---|---|
| 20 May 2026 | 3 hours 31 minutes | Carrier |
| 18 July 2026 | 2 hours 26 minutes | Carrier |
| 30 October 2025 | 2 hours 20 minutes | National Airspace System |
| 6 August 2026 | 1 hour 51 minutes | Carrier |
| 13 March 2026 | 1 hour 50 minutes | Late-arriving aircraft |
Delay causes
Why UA 689 runs late
Carrier accounts for 45% of the 2,864 delay minutes carriers reported here, and the remaining four split what is left.
- 45%Carrier
- 26%National Airspace System
- 22%Late-arriving aircraft
- 7%Extreme weather
The largest share of delay minutes, 45%, falls under carrier control: crew scheduling, maintenance, fuelling, baggage. It accounts for 1,295 of the 2,864 delay minutes reported here. The split is drawn from 2,864 delay minutes reported on UA 689.
Cancellations are rare at 0.62%, below the national 1.89% and low enough to earn the plus on the grade. Roughly one flight in 100 is called off; the risk here is arriving late, not not arriving.
Connections and routes
What a delay on this flight costs
6.9% of arrivals land an hour or more late, close to the national 8.3%, so a 60 to 75 minute layover is reasonable here while anything under 45 minutes is a bet. Most delays on this route last about an hour, which a normal layover absorbs.
The 758 miles between these two airports put this in the middle of the US network, around two and a half to three hours of block time. That is enough cruise to absorb a ten-minute late pushback and not enough to absorb thirty.
The same number turns up on nine other city pairs in the data, including LAX to IAD (36), RDU to IAD (24) and SFO to IAD (19), but none flew often enough under UA 689 to report a rate for. Carriers move flight numbers between routes, so the figures on this page apply to IAD to MCO only.
One caution: this is a thin sample. 322 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 UA 689
For a booking, read UA 689 as 84.1% on time with 0.62% cancelled over 322 flights. Those are rates from the past twelve months, not a forecast for any particular day.
Related
Where to go next
- IAD to MCO, every carrier and departure
- MCO to IAD, the return direction
- United Airlines 2463 on the same route72.1%
- United Airlines 2206 on the same route86.3%
- United Airlines 379 on the same route89.8%
- United Airlines 1926 on the same route90.0%
- Washington Dulles International (IAD) delay statistics
- Orlando International (MCO) delay statistics
- United Airlines on-time record
- Every United Airlines 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 United Airlines’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, September 2025 to August 2026. Last updated ; recomputed monthly. How this data is collected.