The A21N taxied from the parking area to runway 08 at KDEN Denver International Airport, a movement that required 15 minutes and covered 2 nm.

During the departure roll on runway 08, the aircraft used a takeoff distance of 12,578 ft, representing 105 % of the runway length, and achieved liftoff at 158 kt; ambient conditions were 67 °F with a wind of 1 kt from 338°, a 1 kt cross-wind and a 1 kt tailwind.

The first climb began 3 nm east of KDEN, where the airplane rose from 5,231 ft asl to 21,991 ft asl, an altitude gain of 16,760 ft accomplished in 10 minutes while covering 55 nm.

A brief level cruise followed 3 nm east of KDEN, lasting less than 1 minute and extending for less than 1 nm.

Subsequent cruise segment started 9 nm south-west of Akron, Colorado, lasting 3 minutes and encompassing 25 nm.

The second climb commenced 3 nm east of 26V Stansfield Otis, Colorado, with the aircraft climbing from 21,994 ft asl to 36,659 ft asl, a gain of 14,666 ft achieved in 13 minutes over 97 nm.

A longer cruise phase began 3 nm south-west of NE15 Starns Auxiliary Airport, Ashland, Nebraska, persisting for 49 minutes and covering 380 nm.

Descent phase one started 1 nm south-west of Parkersburg, Iowa, where the airplane descended from 36,984 ft asl to 7,024 ft asl, a loss of 29,960 ft in 24 minutes while traveling 135 nm.

A short cruise followed overhead Lanark, Illinois, lasting 5 minutes and spanning 14 nm.

Descent phase two began 3 nm west of Mount Morris, Illinois, with a reduction from 6,990 ft asl to 4,994 ft asl, a decrease of 1,997 ft in 3 minutes covering 10 nm.

The next cruise segment originated 2 nm east of Oregon, Illinois, lasting 27 minutes and extending 76 nm.

Descent phase three started 1 nm east of Near North Side, Illinois, descending from 4,977 ft asl to 2,440 ft asl, a loss of 2,537 ft in 3 minutes over 8 nm.

A further cruise began 1 nm south-east of Lincolnwood, Illinois, lasting 2 minutes and covering 4 nm.

The final approach to runway 27C at KORD Chicago O’Hare International Airport was executed from the east, on a heading of 270.0°, at 4 nm and 1,195 ft agl.

Landing on runway 27C, which is 11,580 ft long, was achieved with a threshold speed of 136 kt; touchdown occurred at 136 kt, 372 ft down the runway, with a heavy touchdown rate of minus 612 fpm and a lateral deviation of 31 ft from the centreline. Weather at the time was 70 °F with a wind of 2 kt from 218°, a 1 kt cross-wind and a 1 kt headwind.

Rollout distance measured 2,549 ft, representing 22 % of the runway length, and the aircraft remained slightly misaligned by 31 ft from the centreline during the rollout.

In total, the flight covered 814 nm, taking 151 and consumed 10,567 lbs of fuel.