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1,742 km · Domestic

James M. Cox Dayton (DAY) – Denver (DEN)

In July 2026, 62 flights operated between James M. Cox Dayton and Denver (both directions), and 75.8% 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
January6258▼ 6.5%
February56560.0%
March62620.0%
April60600.0%
May6261▼ 1.6%
June60600.0%
July62620.0%
August62––
September60––
October62–in progress
November60––
December62––
Year to date (Jan–Jul)424419▼ 1.2%

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
January87.1%91.4%▲ 4.9%
February87.5%92.9%▲ 6.2%
March90.3%83.9%▼ 7.1%
April90.0%93.3%▲ 3.7%
May77.4%85.2%▲ 10.1%
June80.0%80.0%0.0%
July74.2%75.8%▲ 2.2%
August67.7%––
September85.0%––
October93.5%–in progress
November85.0%––
December71.0%––
Year-to-date average (Jan–Jul)83.8%86.1%▲ 2.7%

Cancelled flights by month

The most recent periods19 periods
PeriodCancelled flights 2025Cancelled flights 2026Change vs last year
January04–
February00–
March00–
April00–
May01–
June00–
July00–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)05

Airlines on this route

  1. United Airlines 52.2%
  2. SkyWest Airlines 47.8%

Oct 1, 2024 – Jul 31, 2026

By direction

DAY → DEN

Scheduled flights
658
Flights operated
655
Cancelled
3 · 0.5%
On-time departures
90.2%

DEN → DAY

Scheduled flights
658
Flights operated
655
Cancelled
3 · 0.5%
On-time departures
77.9%

DAY → DEN and DEN → DAY counted separately.

Airlines on this route

Oct 1, 2024 – Jul 31, 2026
AirlineScheduled flights Share On-time departures Cancelled
United Airlines UA 687 52.2% 81.5% 1
SkyWest Airlines OO 629 47.8% 86.9% 5

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 delay09:00–10:004.7min · 419 recorded · 418 measured
Gap to highest-delay hour8.9min09:00 ↔ 17:00
Recorded flights1,316DAY–DEN

Departure hour

On-time departures Partial coverage: only airlines that report on-time data to the US DOT
00:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 01:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 02:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 03:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 04:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 05:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 06:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 07:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 08:00 · 89.5% · 239 recorded · 237 measured · Source: the US BTS 09:00 · 90.7% · 419 recorded · 418 measured · Source: the US BTS 10:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 11:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 12:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 13:00 · Fewer than 200 measured departures · 2 recorded · 2 measured · Source: the US BTS 14:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 15:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 16:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 17:00 · 79.5% · 563 recorded · 560 measured · Source: the US BTS 18:00 · Fewer than 200 measured departures · 93 recorded · 93 measured · Source: the US BTS 19:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 20:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 21:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 22:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 23:00 · No observations · 0 recorded · 0 measured · Source: the US BTS

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
00:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 01:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 02:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 03:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 04:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 05:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 06:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 07:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 08:00 · 5.0 min · 239 recorded · 237 measured · Source: the US BTS 09:00 · 4.7 min · 419 recorded · 418 measured · Source: the US BTS 10:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 11:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 12:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 13:00 · Fewer than 200 measured departures · 2 recorded · 2 measured · Source: the US BTS 14:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 15:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 16:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 17:00 · 13.5 min · 563 recorded · 560 measured · Source: the US BTS 18:00 · Fewer than 200 measured departures · 93 recorded · 93 measured · Source: the US BTS 19:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 20:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 21:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 22:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 23:00 · No observations · 0 recorded · 0 measured · Source: the US BTS

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
00:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 01:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 02:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 03:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 04:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 05:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 06:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 07:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 08:00 · 239 · 239 recorded · 237 measured · Source: the US BTS 09:00 · 419 · 419 recorded · 418 measured · Source: the US BTS 10:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 11:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 12:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 13:00 · 2 · 2 recorded · 2 measured · Source: the US BTS 14:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 15:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 16:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 17:00 · 563 · 563 recorded · 560 measured · Source: the US BTS 18:00 · 93 · 93 recorded · 93 measured · Source: the US BTS 19:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 20:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 21:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 22:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 23:00 · No observations · 0 recorded · 0 measured · Source: the US BTS

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———
06:00No observations———
07:00No observations———
08:0089.5%5.0 min237239
09:0090.7%4.7 min418419
10:00No observations———
11:00No observations———
12:00No observations———
13:00Fewer than 200 measured departures—22
14:00No observations———
15:00No observations———
16:00No observations———
17:0079.5%13.5 min560563
18:00Fewer than 200 measured departures—9393
19:00No observations———
20:00No observations———
21:00No observations———
22:00No observations———
23:00No observations———

Day of week

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
Monday · 188 · 188 recorded · 187 measured · Source: the US BTS Tuesday · 188 · 188 recorded · 188 measured · Source: the US BTS Wednesday · 188 · 188 recorded · 187 measured · Source: the US BTS Thursday · 188 · 188 recorded · 188 measured · Source: the US BTS Friday · 188 · 188 recorded · 187 measured · Source: the US BTS Saturday · 188 · 188 recorded · 187 measured · Source: the US BTS Sunday · 188 · 188 recorded · 186 measured · Source: the US BTS

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

No bucket in this view has 200 measured departures yet. Flight counts are shown; on-time and delay charts become available when the sample is large enough.

View the figures
Day of weekOn-time departuresAverage departure delayWith departure timeRecorded flights
MondayFewer than 200 measured departures—187188
TuesdayFewer than 200 measured departures—188188
WednesdayFewer than 200 measured departures—187188
ThursdayFewer than 200 measured departures—188188
FridayFewer than 200 measured departures—187188
SaturdayFewer than 200 measured departures—187188
SundayFewer than 200 measured departures—186188

Month of year

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

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
Jan · 124 · 124 recorded · 120 measured · Source: the US BTS Feb · 112 · 112 recorded · 112 measured · Source: the US BTS Mar · 124 · 124 recorded · 124 measured · Source: the US BTS Apr · 120 · 120 recorded · 120 measured · Source: the US BTS May · 124 · 124 recorded · 123 measured · Source: the US BTS Jun · 120 · 120 recorded · 120 measured · Source: the US BTS Jul · 124 · 124 recorded · 124 measured · Source: the US BTS Aug · 62 · 62 recorded · 62 measured · Source: the US BTS Sep · 60 · 60 recorded · 60 measured · Source: the US BTS Oct · 102 · 102 recorded · 102 measured · Source: the US BTS Nov · 120 · 120 recorded · 119 measured · Source: the US BTS Dec · 124 · 124 recorded · 124 measured · Source: the US BTS

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

No bucket in this view has 200 measured departures yet. Flight counts are shown; on-time and delay charts become available when the sample is large enough.

View the figures
Month of yearOn-time departuresAverage departure delayWith departure timeRecorded flights
JanFewer than 200 measured departures—120124
FebFewer than 200 measured departures—112112
MarFewer than 200 measured departures—124124
AprFewer than 200 measured departures—120120
MayFewer than 200 measured departures—123124
JunFewer than 200 measured departures—120120
JulFewer than 200 measured departures—124124
AugFewer than 200 measured departures—6262
SepFewer than 200 measured departures—6060
OctFewer than 200 measured departures—102102
NovFewer than 200 measured departures—119120
DecFewer than 200 measured departures—124124

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 83.7% 1,101
  • Delayed >15 min 15.9% 209
  • Cancelled 0.5% 6
  • 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

15
15 of 15
Flight numbersBy direction DeparturesOn time
OO5764 DAY → DEN 257 89.5%
OO4653 DEN → DAY 256 82.0%
UA1235 DAY → DEN 125 93.6%
UA1597 DAY → DEN 68 91.2%
OO5235 DEN → DAY 57 87.3%
UA1365 DAY → DEN 53 94.3%
UA723 DAY → DEN 53 75.5%
UA1062 DEN → DAY 52 90.4%
UA1228 DEN → DAY 37 64.9%
UA1726 DEN → DAY 37 64.9%
OO5507 DAY → DEN 36 94.1%
UA2034 DEN → DAY 36 55.6%
UA1134 DEN → DAY 35 68.6%
UA2058 DEN → DAY 32 90.6%
UA756 DEN → DAY 31 87.1%

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 62 +0.0% 0 75.8%
June 2026 60 +0.0% 0 80.0%
May 2026 61 −1.6% 1 85.2%
April 2026 60 +0.0% 0 93.3%
March 2026 62 +0.0% 0 83.9%
February 2026 56 +0.0% 0 92.9%
January 2026 58 −6.5% 4 91.4%
December 2025 62 +0.0% 0 71.0%
November 2025 60 +1.7% 0 85.0%
October 2025 62 +55.0% 0 93.5%
September 2025 60 0 85.0%
August 2025 62 0 67.7%
July 2025 62 0 74.2%
June 2025 60 0 80.0%
May 2025 62 0 77.4%
April 2025 60 0 90.0%
March 2025 62 0 90.3%
February 2025 56 0 87.5%
January 2025 62 0 87.1%
December 2024 62 0 85.5%
November 2024 59 1 86.4%
October 2024 40 0 90.0%

How to read this chart

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