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DelayAtlas

Flight number record

UA 1626

United Airlines · Newark to San Diego

Route
EWR → SAN
Departs
18:15
Flights
365
Period
July 2025 to June 2026
BGRADE

Historical statistics for July 2025 to June 2026, not live status. For today’s UA 1626, check with United Airlines.

UA 1626 lands a B, level with the national rate of 77.6%. Roughly one flight in four 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 365 flights, with a median arrival 6 minutes early.

Key figures

On time

77.5%

Arrivals under 15 minutes late, of 351 completed flights

Avg delay

60 min

Across delayed arrivals only, not all flights

Cancelled

2.19%

National rate is 1.81%

1 hour+ late

7.4%

National rate is 8.1%

These figures cover 365 flights between July 2025 and June 2026. The median arrival is 6 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 1626 flies

UA 1626 flies EWR to SAN without a single fixed slot. Its most common scheduled departure was 18:15, used on 37 of 365 flights, with 09:30 (37 flights) next. Carriers retime flights through the season, so the rates here blend slightly different positions in the aircraft's day.

  • Departs 18:1537 flights10.1%
  • Departs 09:3037 flights10.1%

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 18:15 departure sits in the 5pm–8pm window. Across every US flight scheduled in that window the on-time rate is 68.2%, and UA 1626 runs 9 points better at 77.5%. By that time of day most aircraft have flown several legs already, and whatever went wrong earlier is still in the schedule.

Against the route

UA 1626 next to EWR to SAN

Every carrier on EWR to SAN combined arrived on time 79.9% of the time across 1,561 flights, so UA 1626 is 2 points behind it. United flew 1,233 flights on the same city pair under all its flight numbers, including this one, and those ran 80.5% on time. Across its whole network United Airlines managed 79.0%, which this flight trails by 2 points.

UA 1626 against its route and carrier
Compared withFlightsOn timeAvg delayCancelledGrade
UA 162636577.5%60 min2.19%B
All United Airlines on EWR–SAN1,23380.5%64 min1.38%B
All carriers on EWR–SAN1,56179.9%66 min1.92%B
United Airlines, whole network821,04179.0%72 min1.01%B

Across the year

UA 1626 quarter by quarter

Quarter by quarter UA 1626 held fairly steady: 78.7% in Jul–Sep 2025, 73.0% in Oct–Dec 2025, 82.6% in Jan–Mar 2026 and 75.9% in Apr–Jun 2026. A spread of 10 points is about what a sample of this size moves on its own, so the annual figure is a fair summary.

  • Jul–Sep 202592 flights78.7%
  • Oct–Dec 202592 flights73.0%
  • Jan–Mar 202690 flights82.6%
  • Apr–Jun 202691 flights75.9%

Scale runs 65% to 90%. Rows with fewer than 30 flights show a dash.

By weekday, UA 1626 did best on Wednesday at 88.0% on time and worst on Saturday at 68.6%. Each day rests on about 52 flights, so a gap of 19 points is worth noticing but could still narrow in another year.

On-time rate by day of the week84.0Mon78.0Tue88.0Wed76.0Thu76.0Fri68.6Sat72.0Sun
Monday: 84.0 percent on time. Tuesday: 78.0 percent on time. Wednesday: 88.0 percent on time. Thursday: 76.0 percent on time. Friday: 76.0 percent on time. Saturday: 68.6 percent on time. Sunday: 72.0 percent on time

Delay causes

Why UA 1626 runs late

One category carries most of the weight here. Late-arriving aircraft accounts for 47% of the 4,736 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.

  • Late-arriving aircraft
    47%
  • Carrier
    31%
  • National Airspace System
    20%
  • Extreme weather
    2%

47% 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 4,736 reported delay minutes here, that single category outweighs weather by 22 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 4,736 delay minutes reported on UA 1626.

Cancellations sit at 2.19% against a national 1.81%, which is ordinary. Diversions add another 1.64%.

Connections and routes

What a delay on this flight costs

7.4% of arrivals land an hour or more late, close to the national 8.1%. That is the figure that decides a connection, and it says 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.

At 2,425 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.

The same number turns up on four other city pairs in the data, including FLL to EWR (35), PBI to EWR (23) and RSW to EWR (21), but none flew often enough under UA 1626 to report a rate for. Carriers move flight numbers between routes, so the figures on this page apply to EWR to SAN only.

One caution: this is a thin sample. 365 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 1626

For a booking, read UA 1626 as 77.5% on time with 2.19% cancelled over 365 flights. Those are rates from the past twelve months, not a forecast for any particular 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.