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734 km · Domestic

Denver (DEN) – Lubbock Preston Smith (LBB)

In July 2026, 174 flights operated between Denver and Lubbock Preston Smith (both directions), and 67.2% left on time, according to the US BTS.

Official · July 2026 according to the US BTS only airlines required to report on-time data to the US DOT

Flights per month

Only complete months are shown. A month appears once the source has published every day of it.

The most recent periods19 periods
PeriodFlights operated 2025Flights operated 2026Change vs last year
January142123▼ 13.4%
February145140▼ 3.4%
March164208▲ 26.8%
April158172▲ 8.9%
May167174▲ 4.2%
June163171▲ 4.9%
July162174▲ 7.4%
August162––
September154––
October158–in progress
November148––
December155––
Year to date (Jan–Jul)1,1011,162▲ 5.5%

On-time departures by month

Departures within 15 minutes of schedule.

The most recent periods19 periods
PeriodOn-time departures 2025On-time departures 2026Change vs last year
January69.0%74.8%▲ 8.4%
February71.0%75.0%▲ 5.6%
March76.8%82.7%▲ 7.7%
April67.1%75.6%▲ 12.7%
May65.3%75.9%▲ 16.2%
June58.9%74.9%▲ 27.2%
July67.9%67.2%▼ 1.0%
August68.5%––
September81.2%––
October83.5%–in progress
November87.8%––
December75.5%––
Year-to-date average (Jan–Jul)68.0%75.2%▲ 10.5%

Cancelled flights by month

The most recent periods19 periods
PeriodCancelled flights 2025Cancelled flights 2026Change vs last year
January011–
February10▼ 100.0%
March660.0%
April20▼ 100.0%
May30▼ 100.0%
June110.0%
July42▼ 50.0%
August2––
September0––
October0–in progress
November6––
December0––
Year to date (Jan–Jul)1720▲ 17.6%

Airlines on this route

  1. SkyWest Airlines 73.2%
  2. Southwest Airlines 26.8%

Oct 1, 2024 – Jul 31, 2026

By direction

DEN → LBB

Scheduled flights
1,739
Flights operated
1,714
Cancelled
25 · 1.4%
On-time departures
68.8%

LBB → DEN

Scheduled flights
1,742
Flights operated
1,718
Cancelled
24 · 1.4%
On-time departures
80.6%

DEN → LBB and LBB → DEN counted separately.

Airlines on this route

Oct 1, 2024 – Jul 31, 2026
AirlineScheduled flights Share On-time departures Cancelled
SkyWest Airlines OO 2,547 73.2% 75.0% 38
Southwest Airlines WN 934 26.8% 74.0% 11

Shares are of scheduled flights in the period shown. Codeshare flights are counted once, under the operating airline.

Flight timing & delays

Historical departures, grouped by the scheduled local time at the departure airport. These are recorded outcomes, not a forecast for your flight.

Times are local to the departure airport of each flight; both directions are combined.

US domestic sectors recorded by BTS

Source: the US BTS · Oct 12, 2024 → Jul 31, 2026

Lowest average delay06:00–07:004.8min · 201 recorded · 200 measured
Gap to highest-delay hour31.4min06:00 ↔ 19:00
Recorded flights3,481DEN–LBB

Departure hour

On-time departures Partial coverage: only airlines that report on-time data to the US DOT

Hover, tap or focus a point to see its value, sample and source.

Average departure delay Partial coverage: only airlines that report on-time data to the US DOT

Hover, tap or focus a point to see its value, sample and source.

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT

Hover, tap or focus a point to see its value, sample and source.

View the figures
Departure hourOn-time departuresAverage departure delayWith departure timeRecorded flights
00:00No observations———
01:00No observations———
02:00No observations———
03:00No observations———
04:00No observations———
05:00No observations———
06:0093.0%4.8 min200201
07:0094.2%7.2 min208212
08:0086.2%17.1 min487490
09:00Fewer than 200 measured departures—5862
10:00Fewer than 200 measured departures—2122
11:00Fewer than 200 measured departures—4040
12:00Fewer than 200 measured departures—127128
13:0076.3%18.0 min443448
14:0074.2%16.5 min341342
15:00Fewer than 200 measured departures—5253
16:00Fewer than 200 measured departures—3737
17:0064.7%30.0 min628639
18:00Fewer than 200 measured departures—4647
19:0065.5%36.1 min672688
20:00Fewer than 200 measured departures—3030
21:00Fewer than 200 measured departures—3737
22:00Fewer than 200 measured departures—55
23:00No observations———

Day of week

On-time departures Partial coverage: only airlines that report on-time data to the US DOT

Hover, tap or focus a point to see its value, sample and source.

Average departure delay Partial coverage: only airlines that report on-time data to the US DOT

Hover, tap or focus a point to see its value, sample and source.

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT

Hover, tap or focus a point to see its value, sample and source.

View the figures
Day of weekOn-time departuresAverage departure delayWith departure timeRecorded flights
Monday73.3%22.9 min535538
Tuesday76.5%20.7 min426432
Wednesday75.2%19.4 min419424
Thursday73.5%23.0 min532535
Friday76.4%18.5 min534549
Saturday76.5%23.7 min442449
Sunday72.4%23.6 min544554

Month of year

Months combine the same calendar month across the years shown; this is a seasonal pattern, not a monthly time series.

On-time departures Partial coverage: only airlines that report on-time data to the US DOT

Hover, tap or focus a point to see its value, sample and source.

Average departure delay Partial coverage: only airlines that report on-time data to the US DOT

Hover, tap or focus a point to see its value, sample and source.

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT

Hover, tap or focus a point to see its value, sample and source.

View the figures
Month of yearOn-time departuresAverage departure delayWith departure timeRecorded flights
Jan71.7%25.2 min265276
Feb73.0%28.7 min285286
Mar80.1%12.3 min372384
Apr71.5%22.7 min330332
May70.7%24.4 min341344
Jun67.1%32.9 min334336
Jul67.6%29.6 min336342
AugFewer than 200 measured departures—162164
SepFewer than 200 measured departures—154154
Oct83.3%11.3 min234234
Nov82.0%14.4 min306316
Dec82.4%15.5 min313313

Delay and on-time rates need at least 200 measured departures per bucket. Smaller samples remain visible in the flight-count chart. An empty slot means no observations, not zero flights.

Recorded outcomes

  • On time 73.7% 2,564
  • Delayed >15 min 24.9% 868
  • Cancelled 1.4% 49
  • Missing departure time 0.0% 0

All recorded flights with a known scheduled local time, counted once. Missing actual times are shown separately.

On time means departing no more than 15 minutes after schedule. Cancelled flights and flights missing departure times are excluded from the on-time rate and average delay.

Flight numbers on this route

17
17 of 17
Flight numbersBy direction DeparturesOn time
OO5421 DEN → LBB 590 75.0%
OO5791 LBB → DEN 534 86.6%
OO5428 DEN → LBB 518 67.9%
OO5989 LBB → DEN 389 65.2%
OO4772 LBB → DEN 124 94.3%
OO5524 LBB → DEN 77 75.3%
OO5589 LBB → DEN 77 58.7%
WN2098 LBB → DEN 58 98.3%
WN2446 LBB → DEN 57 93.0%
WN1915 DEN → LBB 56 46.4%
OO5219 DEN → LBB 53 75.0%
WN1574 DEN → LBB 42 37.5%
WN3329 LBB → DEN 40 92.5%
OO5649 DEN → LBB 37 59.5%
WN1532 DEN → LBB 33 63.6%
WN3738 LBB → DEN 33 93.8%
OO5984 LBB → DEN 31 60.0%

Flight numbers are the codes sold on tickets. On shared flights one aircraft can carry several of them. Only numbers with at least 30 flights have a page.

Monthly figures
PeriodFlights operated Change vs last yearCancelled On-time departures
July 2026 174 +7.4% 2 67.2%
June 2026 171 +4.9% 1 74.9%
May 2026 174 +4.2% 0 75.9%
April 2026 172 +8.9% 0 75.6%
March 2026 208 +26.8% 6 82.7%
February 2026 140 −3.4% 0 75.0%
January 2026 123 −13.4% 11 74.8%
December 2025 155 −1.9% 0 75.5%
November 2025 148 −6.3% 6 87.8%
October 2025 158 +107.9% 0 83.5%
September 2025 154 0 81.2%
August 2025 162 2 68.5%
July 2025 162 4 67.9%
June 2025 163 1 58.9%
May 2025 167 3 65.3%
April 2025 158 2 67.1%
March 2025 164 6 76.8%
February 2025 145 1 71.0%
January 2025 142 0 69.0%
December 2024 158 0 89.2%
November 2024 158 4 76.6%
October 2024 76 0 82.9%

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