Denver (DEN) to Tucson (TUS)
Flight time
≈ 2h 05m
Bearing
215° SW
Denver (DEN) to Tucson (TUS) is 639 miles (1,029 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies DEN–TUS
Filed traffic dataIn May 2026, Southwest Airlines operated the most departures, one of 3 carriers flying nonstop DEN–TUS; the Embraer E175 was the most common aircraft at 34% of departures; flights ran 81% full.
Departures
473
May 2026
Seats
58,852
both directions
Passengers
47,698
both directions
Load factor
81.0%
RPM ÷ ASM
Who flies DEN–TUS?
Southwest Airlines operated the most nonstop DEN–TUS departures in May 2026 (220), one of 3 carriers on the route.
- WN
220 departures · 34,510 seats
Share of departures46.5%80.4%
Load
- OO
169 departures · 11,846 seats
Share of departures35.7%78.6%
Load
- UA
84 departures · 12,496 seats
Share of departures17.8%85.3%
Load
What plane flies DEN–TUS?
In May 2026, the Embraer E175 flew 34% of DEN–TUS departures — more than any other aircraft type.
- Embraer E175
161 departures · 81.5% load
34.0% - Boeing 737-700
105 departures · 81.2% load
22.2% - Boeing 737 MAX 8
92 departures · 82.5% load
19.4% - Boeing 737-800
63 departures · 80.3% load
13.3% - Airbus A319
31 departures · 86.0% load
6.6% - Airbus A320
13 departures · 77.0% load
2.8% - Bombardier CRJ-550
4 departures · 0.0% load
0.9% - Bombardier CRJ-200
3 departures · 0.0% load
0.6% - Embraer E170
1 departures · 0.0% load
0.2%
How has DEN–TUS traffic changed?
Nonstop DEN–TUS departures rose from 379 in June 2025 to 473 in May 2026.
Monthly nonstop DEN–TUS traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
379 departures · 38,314 passengers
82.0%
Load
July 2025
327 departures · 36,592 passengers
80.8%
Load
August 2025
388 departures · 40,950 passengers
79.5%
Load
September 2025
392 departures · 47,541 passengers
77.3%
Load
October 2025
518 departures · 61,178 passengers
81.1%
Load
November 2025
519 departures · 53,198 passengers
73.5%
Load
December 2025
541 departures · 54,275 passengers
71.0%
Load
January 2026
511 departures · 48,803 passengers
69.5%
Load
February 2026
498 departures · 54,414 passengers
79.3%
Load
March 2026
556 departures · 65,608 passengers
84.0%
Load
April 2026
529 departures · 54,979 passengers
79.8%
Load
May 2026
473 departures · 47,698 passengers
81.0%
Load
By direction
Each direction is filed separately — they rarely match.
TUS → DEN
84.7% full
240 departures · 25,013 passengers
DEN → TUS
77.3% full
233 departures · 22,685 passengers
Nonstop DEN–TUS traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through May 2026; filings from 2025. Public domain (US Government work).
The airports
Frequently asked
How far is Denver (DEN) from Tucson (TUS)?
DEN to TUS is 639 miles (1,029 km / 555 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from DEN to TUS?
A nonstop covers the 639-mile great-circle distance in roughly 2h 05m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies DEN–TUS?
In May 2026, the Embraer E175 flew the largest share of departures (34.0%), followed by the Boeing 737-700 (22.2%).
What mileage do I earn flying DEN–TUS?
Distance-based programs credit off the 639-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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