ON TIMEBOARD

DL 4055 on time

Delta Air Lines 4055: Detroit to Omaha at 8:30 a.m.; Omaha to Detroit at 10:26 a.m. (past 12 months). Figures below the title are for DTW → OMA, its busiest leg

On time
82%
239 flights · likely 76–86%
Cancelled
0.4%
of scheduled flights
Typical arrival
−10 min
median vs schedule
When late
+72 min
average delay
Similar flights
80%
DL, same route & hour

About 1 in 5 DL 4055 flights from Detroit arrived 15+ minutes late, diverted or cancelled over the past year (18%); 0.4% were cancelled. The typical flight landed 10 minutes early.

DL 4055: DTW → OMA

Scheduled to leave Detroit at 8:30 a.m. local time, operated by SkyWest as OO 4055. Over the past year it arrived on time 82% of the time (239 flights), in line with other DL flights on the route at that hour (80%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Mar 2025: 84% on time (31 flights)84MarApr 2025: 77% on time (30 flights)77AprMay 2025: 81% on time (31 flights)81MayJun 2025: too few flights (7 flights)JunJan 2026: 74% on time (27 flights)74JanFeb 2026: 64% on time (28 flights)64FebMar 2026: 68% on time (31 flights)68MarApr 2026: 90% on time (30 flights)90AprMay 2026: 90% on time (31 flights)90MayJun 2026: 90% on time (30 flights)90JunJul 2026: 90% on time (31 flights)90JulAug 2026: 84% on time (31 flights)84Aug

By day of week

DayFlightsOn time
Monday3594%
Tuesday3482%
Wednesday3474%
Thursday3479%
Friday3482%
Saturday3476%
Sunday3482%

Why it was late

Airline (crew, maintenance, ops) 83%Air traffic & airport (NAS) 9%Severe weather 8%

All flights DTW → OMA · Connecting off DL 4055? Check the risk

DL 4055: OMA → DTW

Scheduled to leave Omaha at 10:26 a.m. local time, operated by SkyWest as OO 4055. Over the past year it arrived on time 77% of the time (239 flights), in line with other DL flights on the route at that hour (77%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Mar 2025: 87% on time (31 flights)87MarApr 2025: 82% on time (28 flights)82AprMay 2025: 77% on time (30 flights)77MayJun 2025: too few flights (7 flights)JunJan 2026: 59% on time (27 flights)59JanFeb 2026: 68% on time (28 flights)68FebMar 2026: 65% on time (31 flights)65MarApr 2026: 83% on time (30 flights)83AprMay 2026: 84% on time (31 flights)84MayJun 2026: 83% on time (30 flights)83JunJul 2026: 87% on time (31 flights)87JulAug 2026: 84% on time (31 flights)84Aug

By day of week

DayFlightsOn time
Monday3589%
Tuesday3476%
Wednesday3474%
Thursday3476%
Friday3476%
Saturday3468%
Sunday3479%

Why it was late

Airline (crew, maintenance, ops) 84%Severe weather 10%Air traffic & airport (NAS) 6%

All flights OMA → DTW · Connecting off DL 4055? Check the risk

Questions

How often is DL 4055 from DTW to OMA late?

Delta Air Lines 4055 from Detroit, MI to Omaha, NE arrived 15 or more minutes late, was diverted or was cancelled on 18% of 239 scheduled flights between September 2025 and August 2026. 0.4% were cancelled.

How often is DL 4055 from OMA to DTW late?

Delta Air Lines 4055 from Omaha, NE to Detroit, MI arrived 15 or more minutes late, was diverted or was cancelled on 23% of 239 scheduled flights between September 2025 and August 2026. 0.0% were cancelled.

Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check Delta Air Lines for today's flight. Method.