Flight number record
UA 2344
United Airlines · Austin to Washington
- Route
- AUS → IAD
- Departs
- 12:00
- Flights
- 302
- Period
- September 2025 to August 2026
Historical statistics for September 2025 to August 2026, not live status. For today’s UA 2344, check with United Airlines.
UA 2344 earns an A+. Close to nine flights in ten arrive inside the 15-minute window the DOT uses to define an on-time arrival, which puts it 11 points better than the national rate of 77.3%. When something does go wrong the average delay runs close to two hours. That rests on 302 flights, with a median arrival 5 minutes early.
Set against the rest of the country, UA 2344's record is 11 points better than the US average of 77.3%. That gap is worth roughly 114 fewer late arrivals for every thousand flights.
Key figures
On time
88.7%
Arrivals under 15 minutes late, of 300 completed flights
Avg delay
114 min
Across delayed arrivals only, not all flights
Cancelled
0.66%
National rate is 1.89%
1 hour+ late
3.7%
National rate is 8.3%
These figures cover 302 flights between September 2025 and August 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.
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Schedule
When UA 2344 flies
UA 2344 flies AUS to IAD without a single fixed slot. Its most common scheduled departure was 12:00, used on 69 of 302 flights, with 12:14 (67 flights) and 12:17 (64 flights) next.
- Departs 12:0069 flights22.8%
- Departs 12:1467 flights22.2%
- Departs 12:1764 flights21.2%
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 12:00 departure sits in the 11am–2pm window. Across every US flight scheduled in that window the on-time rate is 78.3%, and UA 2344 runs 10 points better at 88.7%. Midday slots inherit some of the morning's delays without yet carrying the full weight of the evening's.
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Against the route
UA 2344 next to AUS to IAD
Every carrier on AUS to IAD combined arrived on time 89.2% of the time across 1,019 flights, so UA 2344 is about level with it. United flew 988 flights on the same city pair under all its flight numbers, including this one, and those ran 90.1% on time. Across its whole network United Airlines managed 78.8%, which this flight beats by 10 points.
| Compared with | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| UA 2344thin sample | 302 | 88.7% | 114 min | 0.66% | A+ |
| All United Airlines on AUS–IAD | 988 | 90.1% | 91 min | 0.81% | A+ |
| All carriers on AUS–IAD | 1,019 | 89.2% | 103 min | 0.79% | A+ |
| United Airlines, whole network | 830,825 | 78.8% | 73 min | 1.02% | B |
Across the year
UA 2344 quarter by quarter
UA 2344 did not run the same all year. Its best quarter was Apr–Jun 2026 at 96.5% on time and its weakest Jul–Sep 2026 at 76.9%, a swing of 20 points on roughly 76 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 202524 flights—
- Oct–Dec 202560 flights88.3%
- Jan–Mar 202680 flights88.6%
- Apr–Jun 202685 flights96.5%
- Jul–Sep 202653 flights76.9%
Scale runs 70% to 100%. Rows with fewer than 30 flights show a dash.
By weekday, UA 2344 did best on Friday at 95.7% on time and worst on Monday at 83.7%. Each day rests on about 43 flights, so a gap of 12 points is worth noticing but could still narrow in another year.
Arrival by arrival
How late UA 2344 runs when it is late
The 34 late arrivals split 12 under half an hour, 11 between 30 and 60 minutes, and 11 an hour or more.
- 15+ min early54 flights18.0%
- Within 15 min212 flights70.7%
- 15–29 min late12 flights4.0%
- 30–59 min late11 flights3.7%
- 1–2 hours late7 flights2.3%
- 2+ hours late4 flights1.3%
Scale runs 0% to 100%.
Share of 300 completed flights by arrival against schedule.
A late pushback is often recovered here: of 31 departures that left 15 minutes late or more, 11 still arrived on time. 14 flights left on time and still arrived late.
The worst days
Worst days for UA 2344
The latest arrival of the period was on 21 July 2026, 24 hours 23 minutes behind schedule; most of its delay minutes were filed as carrier-caused (crew, maintenance, fuelling, baggage). Three of the five worst days fell in July 2026.
| Date | Arrived late by | Largest filed cause |
|---|---|---|
| 21 July 2026 | 24 hours 23 minutes | Carrier |
| 7 August 2026 | 9 hours 18 minutes | Carrier |
| 13 July 2026 | 5 hours 44 minutes | Late-arriving aircraft |
| 9 July 2026 | 2 hours 6 minutes | National Airspace System |
| 9 June 2026 | 1 hour 55 minutes | Late-arriving aircraft |
Delay causes
Why UA 2344 runs late
Carrier accounts for 62% of the 3,859 delay minutes carriers reported here, and the remaining four split what is left.
- 62%Carrier
- 22%Late-arriving aircraft
- 16%National Airspace System
The largest share of delay minutes, 62%, falls under carrier control: crew scheduling, maintenance, fuelling, baggage. It accounts for 2,387 of the 3,859 delay minutes reported here. The split is drawn from 3,859 delay minutes reported on UA 2344.
Cancellations are rare at 0.66%, 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
Badly late arrivals are rare here: only 3.7% land an hour or more behind schedule, against 8.3% 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.
The 1,297 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 two other city pairs in the data, including EWR to AUS (31) and IAD to CMH (28), but none flew often enough under UA 2344 to report a rate for. Carriers move flight numbers between routes, so the figures on this page apply to AUS to IAD only.
One caution: this is a thin sample. 302 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 2344
For a booking, UA 2344 has one of the better records a US domestic flight can show: 88.7% on time and 0.66% cancelled. That is a base rate, not a promise about any single day.
Related
Where to go next
- AUS to IAD, every carrier and departure
- IAD to AUS, the return direction
- United Airlines 525 on the same route93.4%
- United Airlines 376 on the same route86.6%
- Austin-Bergstrom International (AUS) delay statistics
- Washington Dulles International (IAD) 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
- The best day of the week to fly, and why it is the second lever
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.