ON TIMEBOARD

DL 937 on time

Delta Air Lines 937: Atlanta to Tucson at 10:25 a.m.; Tucson to Atlanta at 1:49 p.m. (past 12 months). Figures below the title are for ATL → TUS, its busiest leg

On time
85%
365 flights · likely 81–88%
Cancelled
1.6%
of scheduled flights
Typical arrival
−6 min
median vs schedule
When late
+53 min
average delay
Similar flights
88%
DL, same route & hour

About 1 in 7 DL 937 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (15%); 1.6% were cancelled. The typical flight landed 6 minutes early.

DL 937: ATL → TUS

Scheduled to leave Atlanta at 10:25 a.m. local time. Over the past year it arrived on time 85% of the time (365 flights), worse than other DL flights on the route at that hour (88%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 87% on time (30 flights)87SepOct 2025: 87% on time (31 flights)87OctNov 2025: 87% on time (30 flights)87NovDec 2025: 81% on time (31 flights)81DecJan 2026: 71% on time (31 flights)71JanFeb 2026: 79% on time (28 flights)79FebMar 2026: 81% on time (31 flights)81MarApr 2026: 93% on time (30 flights)93AprMay 2026: 87% on time (31 flights)87MayJun 2026: 87% on time (30 flights)87JunJul 2026: 87% on time (31 flights)87JulAug 2026: 94% on time (31 flights)94Aug

By day of week

DayFlightsOn time
Monday5381%
Tuesday5287%
Wednesday5288%
Thursday5292%
Friday5283%
Saturday5285%
Sunday5279%

Why it was late

Airline (crew, maintenance, ops) 41%Late inbound plane 32%Air traffic & airport (NAS) 26%Severe weather 1%

All flights ATL → TUS · Connecting off DL 937? Check the risk

DL 937: TUS → ATL

Scheduled to leave Tucson at 1:49 p.m. local time. Over the past year it arrived on time 84% of the time (365 flights), in line with other DL flights on the route at that hour (83%). Last seen in the data Aug 31, 2026.

Usually Delta Air Lines's last flight of the day from Tucson to Atlanta (78% of days). Delta Air Lines's last TUS–ATL flight was cancelled 1.9% of the time, against 1.6% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 6:00 a.m. the next morning.

Month by month

40%70%100%Sep 2025: 97% on time (30 flights)97SepOct 2025: 84% on time (31 flights)84OctNov 2025: 80% on time (30 flights)80NovDec 2025: 84% on time (31 flights)84DecJan 2026: 87% on time (31 flights)87JanFeb 2026: 89% on time (28 flights)89FebMar 2026: 71% on time (31 flights)71MarApr 2026: 93% on time (30 flights)93AprMay 2026: 81% on time (31 flights)81MayJun 2026: 80% on time (30 flights)80JunJul 2026: 81% on time (31 flights)81JulAug 2026: 87% on time (31 flights)87Aug

By day of week

DayFlightsOn time
Monday5383%
Tuesday5287%
Wednesday5290%
Thursday5292%
Friday5279%
Saturday5287%
Sunday5273%

Why it was late

Airline (crew, maintenance, ops) 67%Late inbound plane 26%Air traffic & airport (NAS) 6%

All flights TUS → ATL · Connecting off DL 937? Check the risk

Questions

How often is DL 937 from ATL to TUS late?

Delta Air Lines 937 from Atlanta, GA to Tucson, AZ arrived 15 or more minutes late, was diverted or was cancelled on 15% of 365 scheduled flights between September 2025 and August 2026. 1.6% were cancelled.

How often is DL 937 from TUS to ATL late?

Delta Air Lines 937 from Tucson, AZ to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 16% of 365 scheduled flights between September 2025 and August 2026. 1.4% 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.