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1,009 km · Domestic

Denver (DEN) – Harry Reid (LAS)

In July 2026, 1,156 flights operated between Denver and Harry Reid (both directions), and 64.3% left on time, according to the US BTS.

Flights operated · latest month1,156▲ 4.5%vs July 2025
On-time departures75.6%Average delay 14.2 min
Cancelled0.6%165 of 26,393 scheduled flights
Airlines3
Rank in country#18

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

Flights per month

Partial coverage: only airlines that report on-time data to the US DOT · 22 of 22 periods have data

October 2024 March 2025 September 2025 February 2026 July 2026

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

The most recent periods19 periods

Period	Flights operated 2025	Flights operated 2026	Change vs last year
January	1,223	1,122	▼ 8.3%
February	1,214	1,128	▼ 7.1%
March	1,424	1,320	▼ 7.3%
April	1,356	1,284	▼ 5.3%
May	1,326	1,270	▼ 4.2%
June	1,096	1,163	▲ 6.1%
July	1,106	1,156	▲ 4.5%
August	1,047	–	–
September	1,074	–	–
October	1,308	–	in progress
November	1,154	–	–
December	1,111	–	–
Year to date (Jan–Jul)	8,745	8,443	▼ 3.5%

On-time departures by month

Partial coverage: only airlines that report on-time data to the US DOT · 22 of 22 periods have data

October 2024 March 2025 September 2025 February 2026 July 2026

Departures within 15 minutes of schedule.

The most recent periods19 periods

Period	On-time departures 2025	On-time departures 2026	Change vs last year
January	79.1%	83.2%	▲ 5.2%
February	79.5%	81.9%	▲ 3.0%
March	80.5%	74.5%	▼ 7.5%
April	75.1%	79.2%	▲ 5.5%
May	69.0%	75.0%	▲ 8.7%
June	66.1%	66.4%	▲ 0.5%
July	64.3%	64.3%	0.0%
August	68.2%	–	–
September	73.1%	–	–
October	76.5%	–	in progress
November	80.8%	–	–
December	75.1%	–	–
Year-to-date average (Jan–Jul)	73.4%	74.9%	▲ 2.1%

Cancelled flights by month

Partial coverage: only airlines that report on-time data to the US DOT · 22 of 22 periods have data

October 2024 March 2025 September 2025 February 2026 July 2026

The most recent periods19 periods

Period	Cancelled flights 2025	Cancelled flights 2026	Change vs last year
January	1	3	▲ 200.0%
February	5	6	▲ 20.0%
March	5	11	▲ 120.0%
April	10	7	▼ 30.0%
May	9	10	▲ 11.1%
June	8	11	▲ 37.5%
July	15	4	▼ 73.3%
August	8	–	–
September	2	–	–
October	0	–	in progress
November	31	–	–
December	5	–	–
Year to date (Jan–Jul)	53	52	▼ 1.9%

By direction

DEN → LAS

Scheduled flights: 13,204
Flights operated: 13,131
Cancelled: 73 · 0.6%
On-time departures: 74.6%

LAS → DEN

Scheduled flights: 13,189
Flights operated: 13,097
Cancelled: 92 · 0.7%
On-time departures: 76.6%

DEN → LAS and LAS → DEN counted separately.

Airlines on this route

Oct 1, 2024 – Jul 31, 2026

Airline	Scheduled flights	Share	On-time departures	Cancelled
Southwest Airlines WN	11,648	44.1%	69.7%	87
United Airlines UA	8,929	33.8%	82.7%	30
Frontier Airlines F9	5,816	22.0%	76.4%	48

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 delay05:00–06:00-2.1min · 872 recorded · 869 measured

Gap to highest-delay hour30.2min05:00 ↔ 17:00

Recorded flights26,393DEN–LAS

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 hour	On-time departures	Average departure delay	With departure time	Recorded flights
00:00	77.0%	9.2 min	574	578
01:00	No observations	—	—	—
02:00	No observations	—	—	—
03:00	No observations	—	—	—
04:00	No observations	—	—	—
05:00	97.4%	-2.1 min	869	872
06:00	93.7%	2.6 min	1,828	1,836
07:00	91.2%	1.7 min	1,735	1,740
08:00	88.4%	4.3 min	1,155	1,158
09:00	85.2%	5.8 min	2,220	2,227
10:00	81.1%	9.1 min	909	917
11:00	82.2%	9.5 min	1,904	1,914
12:00	74.7%	13.3 min	981	986
13:00	76.5%	14.0 min	2,148	2,156
14:00	63.5%	26.5 min	1,066	1,077
15:00	64.3%	23.0 min	1,475	1,488
16:00	69.9%	19.2 min	2,094	2,103
17:00	59.2%	28.1 min	1,285	1,291
18:00	65.2%	22.3 min	1,213	1,232
19:00	64.7%	22.4 min	1,765	1,779
20:00	60.3%	25.8 min	1,329	1,339
21:00	58.0%	24.8 min	857	873
22:00	69.6%	17.9 min	819	825
23:00	Fewer than 200 measured departures	—	2	2

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 week	On-time departures	Average departure delay	With departure time	Recorded flights
Monday	72.3%	18.0 min	3,979	4,000
Tuesday	78.9%	12.0 min	3,372	3,389
Wednesday	80.2%	10.0 min	3,531	3,544
Thursday	71.4%	17.4 min	3,980	3,995
Friday	71.7%	17.3 min	4,007	4,059
Saturday	80.6%	9.2 min	3,211	3,224
Sunday	76.0%	14.1 min	4,148	4,182

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 year	On-time departures	Average departure delay	With departure time	Recorded flights
Jan	81.1%	8.9 min	2,345	2,349
Feb	80.7%	10.9 min	2,342	2,353
Mar	77.6%	11.4 min	2,744	2,760
Apr	77.1%	11.7 min	2,640	2,657
May	71.9%	17.3 min	2,596	2,615
Jun	66.3%	23.1 min	2,259	2,278
Jul	64.3%	26.6 min	2,262	2,281
Aug	68.2%	20.1 min	1,047	1,055
Sep	73.1%	16.5 min	1,074	1,076
Oct	79.2%	10.1 min	2,204	2,204
Nov	81.0%	10.1 min	2,370	2,414
Dec	80.5%	9.9 min	2,345	2,351

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 75.1% 19,826
Delayed >15 min 24.3% 6,402
Cancelled 0.6% 165
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

240

240 of 240

Flight numbers	By direction	Departures	On time
UA655	DEN → LAS	655	68.2%
UA2316	DEN → LAS	630	95.1%
F99777	DEN → LAS	579	73.1%
F991993	DEN → LAS	548	77.7%
F992349	DEN → LAS	518	75.3%
F992350	LAS → DEN	489	88.9%
F991994	LAS → DEN	483	76.6%
F992016	LAS → DEN	467	81.7%
F994612	LAS → DEN	465	67.0%
UA596	LAS → DEN	457	96.3%
UA2108	LAS → DEN	456	71.9%
F992015	DEN → LAS	452	89.3%
UA526	DEN → LAS	437	87.2%
UA1291	LAS → DEN	431	77.1%
F994967	DEN → LAS	422	68.4%
F993540	LAS → DEN	400	63.2%
F994968	LAS → DEN	257	80.5%
UA1496	DEN → LAS	225	73.9%
UA493	DEN → LAS	205	89.7%
UA1323	LAS → DEN	202	82.6%
UA604	DEN → LAS	193	85.5%
F994611	DEN → LAS	191	71.6%
UA529	LAS → DEN	169	75.7%
F992430	LAS → DEN	167	81.9%
UA624	DEN → LAS	157	66.7%
UA1006	LAS → DEN	150	90.7%
UA284	DEN → LAS	141	63.8%
UA501	LAS → DEN	138	92.8%
UA716	DEN → LAS	134	73.9%
F993844	LAS → DEN	129	75.8%
UA1299	DEN → LAS	123	81.2%
UA1287	LAS → DEN	119	81.5%
UA1315	LAS → DEN	109	89.9%
UA1103	LAS → DEN	108	81.5%
UA732	LAS → DEN	98	88.8%
WN5008	LAS → DEN	95	89.5%
WN3040	DEN → LAS	91	93.3%
F991765	DEN → LAS	83	72.8%
WN3175	LAS → DEN	83	71.1%
WN4381	LAS → DEN	83	83.1%
UA1795	LAS → DEN	82	86.6%
UA2267	DEN → LAS	82	78.1%
UA1483	LAS → DEN	79	82.3%
WN3580	DEN → LAS	78	79.5%
UA372	DEN → LAS	77	84.4%
WN1822	DEN → LAS	77	81.6%
WN1654	LAS → DEN	75	94.7%
WN2108	DEN → LAS	75	67.1%
WN3147	LAS → DEN	75	72.0%
WN1597	LAS → DEN	74	83.8%
WN1823	DEN → LAS	73	67.1%
WN1571	DEN → LAS	72	72.2%
UA2338	DEN → LAS	71	64.8%
UA353	DEN → LAS	68	83.8%
WN3106	DEN → LAS	67	83.6%
WN2786	LAS → DEN	65	67.7%
WN5063	LAS → DEN	65	93.9%
WN2816	DEN → LAS	64	76.6%
WN2235	LAS → DEN	61	31.7%
WN2938	LAS → DEN	61	83.3%
WN1658	DEN → LAS	60	81.7%
WN1671	DEN → LAS	60	34.5%
WN1950	DEN → LAS	60	100.0%
WN3463	LAS → DEN	60	90.0%
WN3894	LAS → DEN	60	88.3%
WN2492	DEN → LAS	59	54.4%
WN1484	DEN → LAS	58	75.9%
WN1513	LAS → DEN	58	48.3%
WN1526	DEN → LAS	58	84.5%
WN1894	DEN → LAS	58	100.0%
WN1901	DEN → LAS	58	53.5%
WN2110	DEN → LAS	58	84.2%
WN2223	LAS → DEN	58	94.8%
WN3988	LAS → DEN	58	84.5%
WN954	DEN → LAS	58	56.9%
WN1144	LAS → DEN	57	56.1%
WN2116	LAS → DEN	57	89.5%
WN2263	DEN → LAS	57	53.6%
WN2313	DEN → LAS	57	47.4%
WN2490	DEN → LAS	57	50.0%
WN3770	DEN → LAS	57	91.2%
WN3843	LAS → DEN	57	45.5%
WN3846	LAS → DEN	57	56.1%
WN910	DEN → LAS	56	43.6%
WN1485	DEN → LAS	55	63.6%
WN765	LAS → DEN	55	63.0%
UA1384	DEN → LAS	53	88.7%
WN1479	DEN → LAS	53	94.3%
WN3280	LAS → DEN	53	73.1%
WN1355	DEN → LAS	52	88.5%
WN1559	DEN → LAS	52	86.5%
UA478	DEN → LAS	51	84.3%
WN1382	LAS → DEN	51	35.3%
WN3307	DEN → LAS	51	76.5%
UA1824	LAS → DEN	50	98.0%
WN1195	DEN → LAS	50	76.0%
WN1368	LAS → DEN	50	82.0%
WN1895	DEN → LAS	50	92.0%
WN1902	DEN → LAS	50	46.0%
WN1905	DEN → LAS	50	54.0%
WN2179	DEN → LAS	50	80.0%
WN2295	LAS → DEN	50	54.0%
WN4197	DEN → LAS	50	46.8%
WN591	LAS → DEN	50	60.0%
UA2167	LAS → DEN	49	100.0%
WN1562	DEN → LAS	49	42.9%
WN1566	DEN → LAS	49	25.0%
WN3887	DEN → LAS	49	71.4%
WN986	DEN → LAS	48	59.6%
UA1920	LAS → DEN	47	55.3%
WN1564	DEN → LAS	47	38.3%
WN2193	DEN → LAS	47	87.0%
WN2455	DEN → LAS	47	61.7%
WN2615	DEN → LAS	47	87.2%
UA1704	LAS → DEN	46	80.4%
WN1272	DEN → LAS	46	93.5%
WN1348	LAS → DEN	46	82.6%
WN1492	DEN → LAS	46	73.9%
WN2584	LAS → DEN	46	65.2%
WN3074	LAS → DEN	46	64.4%
WN3150	LAS → DEN	46	54.4%
UA1715	LAS → DEN	45	86.7%
WN1079	DEN → LAS	45	72.7%
WN3213	LAS → DEN	45	86.1%
WN3489	LAS → DEN	45	62.8%
WN3529	DEN → LAS	45	88.6%
WN3516	DEN → LAS	44	70.5%
WN1708	DEN → LAS	43	72.1%
WN2571	DEN → LAS	43	34.9%
WN3461	LAS → DEN	43	67.4%
F992285	DEN → LAS	42	67.5%
UA2473	DEN → LAS	42	73.2%
WN1561	DEN → LAS	42	69.1%
WN1567	DEN → LAS	42	34.2%
WN1695	LAS → DEN	42	92.9%
WN1873	LAS → DEN	42	65.9%
WN2230	LAS → DEN	42	34.2%
WN2320	DEN → LAS	42	71.4%
WN2517	LAS → DEN	42	65.9%
WN2563	DEN → LAS	42	65.9%
WN2566	DEN → LAS	42	39.0%
WN2707	DEN → LAS	42	92.9%
WN2966	LAS → DEN	42	95.2%
WN3389	DEN → LAS	42	43.9%
WN513	LAS → DEN	42	90.2%
WN1937	LAS → DEN	41	43.9%
WN2226	LAS → DEN	41	53.7%
WN3111	DEN → LAS	41	73.2%
WN3138	LAS → DEN	41	90.2%
WN396	LAS → DEN	41	63.4%
UA1910	LAS → DEN	40	85.0%
WN1757	DEN → LAS	40	92.5%
WN1758	LAS → DEN	40	59.0%
WN1916	LAS → DEN	40	95.0%
WN2924	LAS → DEN	40	87.5%
WN3149	LAS → DEN	40	57.5%
UA1613	DEN → LAS	39	89.7%
UA1925	LAS → DEN	39	79.0%
WN1900	DEN → LAS	39	59.0%
WN2586	LAS → DEN	39	51.3%
WN3100	DEN → LAS	39	53.9%
WN2708	LAS → DEN	38	92.1%
WN454	DEN → LAS	38	61.1%
UA1062	DEN → LAS	37	73.0%
UA1684	LAS → DEN	37	89.2%
UA1747	LAS → DEN	37	97.2%
UA1808	LAS → DEN	37	94.6%
UA1850	LAS → DEN	37	100.0%
UA1883	LAS → DEN	37	83.8%
UA2643	LAS → DEN	37	97.3%
UA270	DEN → LAS	37	94.6%
UA372	LAS → DEN	37	97.3%
WN277	DEN → LAS	37	83.8%
UA1156	LAS → DEN	36	91.4%
UA1220	LAS → DEN	36	70.6%
UA1424	DEN → LAS	36	80.6%
UA1476	LAS → DEN	36	72.2%
UA1669	LAS → DEN	36	75.0%
UA2736	LAS → DEN	36	91.7%
UA507	LAS → DEN	36	97.2%
WN1589	LAS → DEN	36	77.8%
WN2716	DEN → LAS	36	94.4%
F991766	LAS → DEN	35	82.4%
UA1399	DEN → LAS	35	50.0%
WN1482	DEN → LAS	35	77.1%
WN2122	LAS → DEN	35	71.4%
WN2545	LAS → DEN	35	41.2%
WN3593	LAS → DEN	35	76.5%
WN3655	DEN → LAS	35	50.0%
UA1803	DEN → LAS	34	91.2%
UA1906	DEN → LAS	34	58.8%
WN1563	DEN → LAS	34	32.4%
WN1565	DEN → LAS	34	21.2%
WN2012	DEN → LAS	34	76.5%
WN278	LAS → DEN	34	55.9%
WN2969	LAS → DEN	34	44.1%
WN3258	LAS → DEN	34	76.5%
WN1227	LAS → DEN	33	33.3%
WN1854	LAS → DEN	33	81.8%
WN2052	DEN → LAS	33	72.7%
WN2257	DEN → LAS	33	87.9%
WN2543	DEN → LAS	33	97.0%
WN2903	LAS → DEN	33	62.5%
WN3015	LAS → DEN	33	78.8%
WN3043	DEN → LAS	33	60.6%
WN3115	LAS → DEN	33	100.0%
WN3165	DEN → LAS	33	72.7%
WN3543	DEN → LAS	33	42.4%
WN3624	LAS → DEN	33	51.5%
WN3981	LAS → DEN	33	84.9%
WN4020	LAS → DEN	33	87.5%
WN875	LAS → DEN	33	60.6%
UA1444	LAS → DEN	32	96.9%
UA1787	LAS → DEN	32	78.1%
UA234	DEN → LAS	32	78.1%
UA2490	LAS → DEN	32	87.1%
UA2604	LAS → DEN	32	90.6%
UA367	DEN → LAS	32	87.5%
UA797	DEN → LAS	32	71.9%
WN3108	DEN → LAS	32	62.5%
WN3146	LAS → DEN	32	45.2%
WN3517	DEN → LAS	32	77.4%
WN3542	LAS → DEN	32	37.5%
WN775	LAS → DEN	32	46.9%
WN985	LAS → DEN	32	37.5%
UA1367	DEN → LAS	31	80.7%
UA1590	LAS → DEN	31	100.0%
UA1987	LAS → DEN	31	100.0%
UA2741	DEN → LAS	31	96.8%
UA687	DEN → LAS	31	93.6%
WN2223	DEN → LAS	31	87.1%
WN2362	LAS → DEN	31	100.0%
WN2514	DEN → LAS	31	61.3%
WN2782	LAS → DEN	31	90.3%
WN3512	LAS → DEN	31	80.7%
WN3728	DEN → LAS	31	77.4%
WN3889	LAS → DEN	31	38.7%
WN4133	DEN → LAS	31	87.1%
WN563	LAS → DEN	31	54.8%
WN2486	DEN → LAS	30	63.3%

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

Period	Flights operated	Change vs last year	Cancelled	On-time departures
July 2026	1,156	+4.5%	4	64.3%
June 2026	1,163	+6.1%	11	66.4%
May 2026	1,270	−4.2%	10	75.0%
April 2026	1,284	−5.3%	7	79.2%
March 2026	1,320	−7.3%	11	74.5%
February 2026	1,128	−7.1%	6	81.9%
January 2026	1,122	−8.3%	3	83.2%
December 2025	1,111	−10.0%	5	75.1%
November 2025	1,154	−5.1%	31	80.8%
October 2025	1,308	+46.0%	0	76.5%
September 2025	1,074		2	73.1%
August 2025	1,047		8	68.2%
July 2025	1,106		15	64.3%
June 2025	1,096		8	66.1%
May 2025	1,326		9	69.0%
April 2025	1,356		10	75.1%
March 2025	1,424		5	80.5%
February 2025	1,214		5	79.5%
January 2025	1,223		1	79.1%
December 2024	1,234		1	85.4%
November 2024	1,216		13	81.3%
October 2024	896		0	83.1%