Skip to content
DelayAtlas

Flight number record

UA 2105

United Airlines · New Orleans to Houston

Route
MSY → IAH
Departs
09:05
Flights
275
Period
July 2025 to June 2026
A+GRADE

Historical statistics for July 2025 to June 2026, not live status. For today’s UA 2105, check with United Airlines.

UA 2105 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 13 points better than the national rate of 77.6%. When something does go wrong the average delay runs an hour and a half. That rests on 275 flights, with a median arrival 13 minutes early.

Set against the rest of the country, UA 2105's record is 13 points better than the US average of 77.6%. That gap is worth roughly 129 fewer late arrivals for every thousand flights.

Key figures

On time

90.5%

Arrivals under 15 minutes late, of 275 completed flights

Avg delay

85 min

Across delayed arrivals only, not all flights

Cancelled

0.00%

National rate is 1.81%

1 hour+ late

4.7%

National rate is 8.1%

These figures cover 275 flights between July 2025 and June 2026. The median arrival is 13 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 UA 2105 flies

UA 2105 flies MSY to IAH without a single fixed slot. Its most common scheduled departure was 09:05, used on 52 of 275 flights, with 09:20 (37 flights) and 09:32 (36 flights) next. Carriers retime flights through the season, so the rates here blend slightly different positions in the aircraft's day.

  • Departs 09:0552 flights18.9%
  • Departs 09:2037 flights13.5%
  • Departs 09:3236 flights13.1%

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 09:05 departure sits in the 8am–11am window. Across every US flight scheduled in that window the on-time rate is 84.1%, and UA 2105 runs 6 points better at 90.5%. 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

UA 2105 next to MSY to IAH

Every carrier on MSY to IAH combined arrived on time 82.2% of the time across 2,961 flights, so UA 2105 is 8 points ahead of it. United flew 2,784 flights on the same city pair under all its flight numbers, including this one, and those ran 82.4% on time. Across its whole network United Airlines managed 79.0%, which this flight beats by 12 points.

UA 2105 against its route and carrier
Compared withFlightsOn timeAvg delayCancelledGrade
UA 2105thin sample27590.5%85 min0.00%A+
All United Airlines on MSY–IAH2,78482.4%74 min0.47%B+
All carriers on MSY–IAH2,96182.2%76 min0.51%B+
United Airlines, whole network821,04179.0%72 min1.01%B

Across the year

UA 2105 quarter by quarter

UA 2105 did not run the same all year. Its best quarter was Jul–Sep 2025 at 95.3% on time and its weakest Apr–Jun 2026 at 84.6%, a swing of 11 points on roughly 69 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 202543 flights95.3%
  • Oct–Dec 202553 flights92.5%
  • Jan–Mar 202688 flights93.2%
  • Apr–Jun 202691 flights84.6%

Scale runs 75% to 100%. Rows with fewer than 30 flights show a dash.

By weekday, UA 2105 did best on Wednesday at 100.0% on time and worst on Saturday at 86.8%. Each day rests on about 39 flights, so a gap of 13 points is worth noticing but could still narrow in another year.

On-time rate by day of the week87.2Mon95.1Tue100.0Wed87.5Thu90.0Fri86.8Sat87.2Sun
Monday: 87.2 percent on time. Tuesday: 95.1 percent on time. Wednesday: 100.0 percent on time. Thursday: 87.5 percent on time. Friday: 90.0 percent on time. Saturday: 86.8 percent on time. Sunday: 87.2 percent on time

Delay causes

Why UA 2105 runs late

Carriers report a reason for every delay minute they cause, in five DOT categories. The split below is by minutes, not by number of flights, so a handful of very long weather delays weighs as much as many short ones. It covers 2,206 reported delay minutes.

  • National Airspace System
    41%
  • Late-arriving aircraft
    39%
  • Carrier
    19%
  • Extreme weather
    2%

39% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. That is a cascade, and cascades start small and grow through the day. Across 2,206 reported delay minutes here, that single category outweighs weather by 26 to one. It is the strongest argument for booking the first departure of the morning, when the aircraft has been sitting at the gate overnight with nothing to inherit. The split is drawn from 2,206 delay minutes reported on UA 2105.

Cancellations are rare at 0.00%, below the national 1.81% and low enough to earn the plus on the grade. Almost no flights are 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 4.7% 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.

The same number turns up on four other city pairs in the data, including IAH to MIA (154), ORD to IAH (31) and STL to IAH (6), but none flew often enough under UA 2105 to report a rate for. Carriers move flight numbers between routes, so the figures on this page apply to MSY to IAH only.

One caution: this is a thin sample. 275 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 2105

For a booking, UA 2105 has one of the better records a US domestic flight can show: 90.5% on time and 0.00% cancelled. That is a base rate, not a promise about any single day.

Related

Where to go next

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.